Specific points to consider during any investigation of a ventilation system include emission source, air behavior, and employee involvement. (ASHRAE)building. Corrosion . 2.1 The definitions in this section apply in this Part.. ASHRAE. This isolation device helps prevent sound vibration from reaching the structural support mem-bers of the building during compres-sor start and stop. PART II Permanent Structures Interpretation. The friction caused by the vibration of the belt can decrease the fan’s overall efficiency and lead to more frequent repairs. A short summary of this paper. * Material in this table was compiled from references 35 and 120. Table adapted from and used with permission of the publisher of reference 35 (Lippincott Williams and Wilkins). 1993. This table can be used to determine equivalency of conditions. The microenvironment of an animal is the physical environment immediately surrounding it—the primary enclosure with its own temperature, humidity, and gaseous and particulate composition of the air. Scopus is Elsevier’s abstract and citation database launched in 2004.Scopus covers nearly 36,377 titles (22,794 active titles and 13,583 inactive titles) from approximately 11,678 publishers, of which 34,346 are peer-reviewed journals in top-level subject fields: life sciences, social sciences, physical sciences and health sciences. The pan is positively sloped to comply with ASHRAE 62 for (IAQ) indoor air A short summary of this paper. Read Paper. Points that should be included in a review of operational efficacy are shown in Table III:3-2. Table adapted from and used with permission of the publisher of reference 35 (Lippincott Williams and Wilkins). Excessive noise and vibration are common problems throughout residential, commercial and industrial buildings. Dear Twitpic Community - thank you for all the wonderful photos you have taken over the years. WORKING ALONE OR IN ISOLATION. A simple ventilation system will have an intake fan and filter, exhaust fan and filter, and ducting. This chapter provides guidelines for the environment, housing, and management of laboratory animals used or produced for research, testing, and teaching. Observe that 0.623 from Table 5-1 is 102% of 0.61. The Fire Research Division develops, verifies, and utilizes measurements and predictive methods to quantify the behavior of fire and means to reduce the impact of fire on people, property, and the environment. Various authorities agree that orifice meters that are precisely built to conform to ASME specifications do not require calibration. Common faulty ventilation conditions and their probable causes are listed in Table III:3-1. Excessive noise and vibration are common problems throughout residential, commercial and industrial buildings. See Figure 5 for isolation device. Full PDF Package Download Full PDF Package. These guidelines are applicable across species and are relatively general; additional information should be sought about how to apply them to meet the specific needs of any species, strain, or use (see Appendix A for … wide, making them great replacement units. The units have excellent part load efficiency and a compact footprint less than 48 in. (3) For a building ventilation system installed prior to 1989, an adequate supply of outdoor air must be provided in accordance with the ASHRAE standard in place at the time the ventilation system was designed. The physical environment of the secondary enclosure—such as a room, a barn, or an outdoor habitat—constitutes the macroenvironment.Although the microenvironment and the … Where using R-value compliance method, a thermal spacer block shall be provided, otherwise use the U-factor compliance method in Table C402.1.4.. c. R-5.7ci is allowed to be substituted with concrete block walls complying with ASTM C90, ungrouted or partially grouted at 32 inches or less on center … Observe that 0.623 from Table 5-1 is 102% of 0.61. To that end, ASHRAE includes a definitive and long-standing set of recommendations for selecting the type and performance of vibration isolators based on the equipment being isolated and the structure on which it is supported. The units have excellent part load efficiency and a compact footprint less than 48 in. The friction caused by the vibration of the belt can decrease the fan’s overall efficiency and lead to more frequent repairs. wide, making them great replacement units. Full PDF Package Download Full PDF Package. Various authorities agree that orifice meters that are precisely built to conform to ASME specifications do not require calibration. All reciprocating, or rotating, equipment should be isolated to reduce PART II Permanent Structures Interpretation. This prevents water damage and abnormal vibration. Corrosion . a. All reciprocating, or rotating, equipment should be isolated to reduce Various authorities agree that orifice meters that are precisely built to conform to ASME specifications do not require calibration. Table 15.1 and Fig. Where using R-value compliance method, a thermal spacer block shall be provided, otherwise use the U-factor compliance method in Table C402.1.4.. c. R-5.7ci is allowed to be substituted with concrete block walls complying with ASTM C90, ungrouted or partially grouted at 32 inches or less on center … (2) An adequate supply of outdoor air must be provided to the workplace in accordance with Table 2 of ASHRAE Standard 62-1989. Common faulty ventilation conditions and their probable causes are listed in Table III:3-1. We have now placed Twitpic in an archived state. (1) Subject to Articles 1.1.2.6. and 1.3.1.2., Parts 3, 5 and 6 of Division B apply to all buildings, (a) used for major occupancies classified as, (i) Group A, assembly occupancies, (ii) Group B, care, care and treatment or detention occupancies, or (iii) Group F, Division 1, high hazard industrial occupancies, (b) exceeding 600 m 2 in building area or exceeding three storeys in … High-Efficiency Water-Cooled Indoor Liquid Screw Chiller with R-134a refrigerant 527 to 1,406 Nominal kW 150 to 400 Nominal Tons. Figure 2 shows the relationship of these variables to the variable of air temperature. Assembly descriptions can be found in ANSI/ASHRAE/IESNA Appendix A. b. To that end, ASHRAE includes a definitive and long-standing set of recommendations for selecting the type and performance of vibration isolators based on the equipment being isolated and the structure on which it is supported. There is a pattern across scores of studies indicating that infection rates are lower when there is very good air and water quality, and greater physical separation, isolation, or space per patient. This Paper. 27 Full PDFs related to this paper. * Material in this table was compiled from references 35 and 120. Generally, hydronic heating or cooling systems employ corrosion inhibitors and perhaps biocides. G4.20.1 Definition of working alone or in isolation G4.20.2 Hazard identification, elimination, and control G4.21 Procedures for checking the well-being of workers G4.22.1-1 Late night retail - Definitions and money handling procedures G4.22.1-2 Late night retail - Second worker or barrier Corrosion is very important to address in pipe systems. The 30XW units are high-efficiency, indoor water-cooled chillers with a quiet, low-vibration design featuring screw compressors. § Pa is the abbreviation for Pascal, a metric unit of measurement for pressure based on air velocity; 250 Pa equals 1.0 inch water gauge. Points that should be included in a review of operational efficacy are shown in Table III:3-2. Table 15.1 and Fig. Assembly descriptions can be found in ANSI/ASHRAE/IESNA Appendix A. b. See digital inputs section of this table. This table can be used to determine equivalency of conditions. • Exceeds ASHRAE 90.1 efficiencies • Galvanized steel construction • Sound absorbing glass fiber insulation • Unique double isolation compressor mounting via vibration isolating rubber grommets for quiet operation • Insulated divider and separate compressor/air handler compartments This isolation device helps prevent sound vibration from reaching the structural support mem-bers of the building during compres-sor start and stop. See digital inputs section of this table. American Society of Heating, Refrigerating and Air-Conditioning Engineers. Dear Twitpic Community - thank you for all the wonderful photos you have taken over the years. building means a structure that is used or intended for supporting or sheltering any use or occupancy, and includes a grain-handling facility, a tower, an antenna and … Excessive noise and vibration are common problems throughout residential, commercial and industrial buildings. There is a pattern across scores of studies indicating that infection rates are lower when there is very good air and water quality, and greater physical separation, isolation, or space per patient. Vibration isolation connectors installed between mechanical equipment and ... and marked in accordance with Table 603.10. See Figure 5 for isolation device. table 1102.3 refrigerant groups, properties, and allowable quantities 8 [ashrae 34:table 4-1, table 4-2]; refrigerant chemical formula chemical name 1 (composition for blends) safety group 7 oel 2 (ppm) pounds per 1000 cubic feet of space; r-11: ccl 3 f: trichlorofluoromethane: a1: c1000: 0.39 The degree of isolation for airborne noise transmission depends not only on the building construction but also on the type of source, the level of the noise, and on the background noise in the receiving space. The 30XW units are high-efficiency, indoor water-cooled chillers with a quiet, low-vibration design featuring screw compressors. This isolation device helps prevent sound vibration from reaching the structural support mem-bers of the building during compres-sor start and stop. 2021 - 31 March 2022), Systemair supplied state-of-the art solutions that ensure visitors enjoy healthy indoor air in a smart, energy-efficient, and sustainable manner. table 1102.3 refrigerant groups, properties, and allowable quantities 8 [ashrae 34:table 4-1, table 4-2]; refrigerant chemical formula chemical name 1 (composition for blends) safety group 7 oel 2 (ppm) pounds per 1000 cubic feet of space; r-11: ccl 3 f: trichlorofluoromethane: a1: c1000: 0.39 This chapter provides guidelines for the environment, housing, and management of laboratory animals used or produced for research, testing, and teaching. These guidelines are applicable across species and are relatively general; additional information should be sought about how to apply them to meet the specific needs of any species, strain, or use (see Appendix A for … ASHRAE means the American Society of Heating, Refrigerating and Air-Conditioning Engineers. With 30 cfm in a 1″ diameter orifice, If Figure 1 gives K = 0.605 and Figure 2 gives K = 0.61. 27 Full PDFs related to this paper. ASHRAE means the American Society of Heating, Refrigerating and Air-Conditioning Engineers. For opaque portions of the building thermal envelope intended to comply on an insulation component R-value basis, the R-values for cavity insulation and continuous insulation shall be not less than that specified in Table … For opaque portions of the building thermal envelope intended to comply on an insulation component R-value basis, the R-values for cavity insulation and continuous insulation shall be not less than that specified in Table … 2011 ASHRAE HANDBOOK HVAC Applications SI Edition. Figure 2 shows the relationship of these variables to the variable of air temperature. • Quiet, low-vibration FFU design: only 49 dBA, measured 30" from filter face @ 90 FPM • Minimize cleanroom service downtime with room-side-replaceable (RSR) fan filter units • Room-side-replaceable filter units feature a Gel-sealed filter and easy-open clips to allow fast filter replacement from below without breaching the cleanroom ceiling Points that should be included in a review of operational efficacy are shown in Table III:3-2. The microenvironment of an animal is the physical environment immediately surrounding it—the primary enclosure with its own temperature, humidity, and gaseous and particulate composition of the air. The pan is positively sloped to comply with ASHRAE 62 for (IAQ) indoor air The microenvironment of an animal is the physical environment immediately surrounding it—the primary enclosure with its own temperature, humidity, and gaseous and particulate composition of the air. Consult the latest edition of ASHRAE (American Society of Heating, Refrigerating, and Air Conditioning Engineers) Standard 15. A short summary of this paper. Download Download PDF. All reciprocating, or rotating, equipment should be isolated to reduce (ASHRAE)building. 2011 ASHRAE HANDBOOK HVAC Applications SI Edition. Vibration is caused by reciprocating motion from rotating components within mechanical equipment. Building thermal envelope opaque assemblies shall comply with the requirements of Sections C402.2 and C402.4 based on the climate zone specified in Chapter 3. Generally, hydronic heating or cooling systems employ corrosion inhibitors and perhaps biocides. Table 5-1 (interpolated) gives K = 0.6024 which is 98.8% of 0.61. Drain Pan The unit drain pan is composed of plastic, corrosive resistive material. Building thermal envelope opaque assemblies shall comply with the requirements of Sections C402.2 and C402.4 based on the climate zone specified in Chapter 3. 2021 - 31 March 2022), Systemair supplied state-of-the art solutions that ensure visitors enjoy healthy indoor air in a smart, energy-efficient, and sustainable manner. Flexible mechanical couplings also can replace flexible connections, depending on the geometry and vibration isolation of the pump or equipment. Vibration is caused by reciprocating motion from rotating components within mechanical equipment. The physical environment of the secondary enclosure—such as a room, a barn, or an outdoor habitat—constitutes the macroenvironment.Although the microenvironment and the … 15.1 give the assumptions used in a hypothetical sound transmission calculation. § Pa is the abbreviation for Pascal, a metric unit of measurement for pressure based on air velocity; 250 Pa equals 1.0 inch water gauge. High-Efficiency Water-Cooled Indoor Liquid Screw Chiller with R-134a refrigerant 527 to 1,406 Nominal kW 150 to 400 Nominal Tons. ASHRAE Handbook of Fundamentals. • Exceeds ASHRAE 90.1 efficiencies • Galvanized steel construction • Sound absorbing glass fiber insulation • Unique double isolation compressor mounting via vibration isolating rubber grommets for quiet operation • Insulated divider and separate compressor/air handler compartments A digest of design data and details organized for easy reference, on all topics related to architecture and construction, with emphasis on graphic and visual information. Scopus is Elsevier’s abstract and citation database launched in 2004.Scopus covers nearly 36,377 titles (22,794 active titles and 13,583 inactive titles) from approximately 11,678 publishers, of which 34,346 are peer-reviewed journals in top-level subject fields: life sciences, social sciences, physical sciences and health sciences. Drain Pan The unit drain pan is composed of plastic, corrosive resistive material. Jian Lu. * Material in this table was compiled from references 35 and 120. Table 5-1 (interpolated) gives K = 0.6024 which is 98.8% of 0.61. Vibration isolation connectors installed between mechanical equipment and ... and marked in accordance with Table 603.10. • Exceeds ASHRAE 90.1 efficiencies • Galvanized steel construction • Sound absorbing glass fiber insulation • Unique double isolation compressor mounting via vibration isolating rubber grommets for quiet operation • Insulated divider and separate compressor/air handler compartments A simple ventilation system will have an intake fan and filter, exhaust fan and filter, and ducting. 2.1 The definitions in this section apply in this Part.. ASHRAE. We have now placed Twitpic in an archived state. Vibration isolation connectors installed between mechanical equipment and ... and marked in accordance with Table 603.10. This Paper. ©ASHRAE Handbook of Fundamentals, Chapter 9, Inch-Pound Edition, Figure 16, 2013. Figure 2 shows the relationship of these variables to the variable of air temperature. (3) For a building ventilation system installed prior to 1989, an adequate supply of outdoor air must be provided in accordance with the ASHRAE standard in place at the time the ventilation system was designed. 1993. • Quiet, low-vibration FFU design: only 49 dBA, measured 30" from filter face @ 90 FPM • Minimize cleanroom service downtime with room-side-replaceable (RSR) fan filter units • Room-side-replaceable filter units feature a Gel-sealed filter and easy-open clips to allow fast filter replacement from below without breaching the cleanroom ceiling Corrosion is very important to address in pipe systems. Assembly descriptions can be found in ANSI/ASHRAE/IESNA Appendix A. b. 2.1 The definitions in this section apply in this Part.. ASHRAE. ©ASHRAE Handbook of Fundamentals, Chapter 9, Inch-Pound Edition, Figure 16, 2013. wide, making them great replacement units. 0 87. a phone call or email you’re trying to send) becomes. Building thermal envelope opaque assemblies shall comply with the requirements of Sections C402.2 and C402.4 based on the climate zone specified in Chapter 3. American Society of Heating, Refrigerating and Air-Conditioning Engineers. Where using R-value compliance method, a thermal spacer block shall be provided, otherwise use the U-factor compliance method in Table C402.1.4.. c. R-5.7ci is allowed to be substituted with concrete block walls complying with ASTM C90, ungrouted or partially grouted at 32 inches or less on center … 1993. These guidelines are applicable across species and are relatively general; additional information should be sought about how to apply them to meet the specific needs of any species, strain, or use (see Appendix A for … Vibration isolation also is intended to reduce vibration that can be felt but is below the audible spectrum. See digital inputs section of this table. There is a pattern across scores of studies indicating that infection rates are lower when there is very good air and water quality, and greater physical separation, isolation, or space per patient. Consult the latest edition of ASHRAE (American Society of Heating, Refrigerating, and Air Conditioning Engineers) Standard 15. Download Download PDF. Table adapted from and used with permission of the publisher of reference 35 (Lippincott Williams and Wilkins). Generally, hydronic heating or cooling systems employ corrosion inhibitors and perhaps biocides. Consult the latest edition of ASHRAE (American Society of Heating, Refrigerating, and Air Conditioning Engineers) Standard 15. 0 87. a phone call or email you’re trying to send) becomes. This prevents water damage and abnormal vibration. The pan is positively sloped to comply with ASHRAE 62 for (IAQ) indoor air 2011 ASHRAE HANDBOOK HVAC Applications SI Edition. WORKING ALONE OR IN ISOLATION. Vibration is caused by reciprocating motion from rotating components within mechanical equipment. building means a structure that is used or intended for supporting or sheltering any use or occupancy, and includes a grain-handling facility, a tower, an antenna and … ©ASHRAE Handbook of Fundamentals, Chapter 9, Inch-Pound Edition, Figure 16, 2013. building means a structure that is used or intended for supporting or sheltering any use or occupancy, and includes a grain-handling facility, a tower, an antenna and … This Paper. The physical environment of the secondary enclosure—such as a room, a barn, or an outdoor habitat—constitutes the macroenvironment.Although the microenvironment and the … Vibration Isolation and Seismic Control Basics: Mechanical vibration and vibration-induced noise are common sources of occupant complaints in modern buildings. The 30XW units are high-efficiency, indoor water-cooled chillers with a quiet, low-vibration design featuring screw compressors. (1) Subject to Articles 1.1.2.6. and 1.3.1.2., Parts 3, 5 and 6 of Division B apply to all buildings, (a) used for major occupancies classified as, (i) Group A, assembly occupancies, (ii) Group B, care, care and treatment or detention occupancies, or (iii) Group F, Division 1, high hazard industrial occupancies, (b) exceeding 600 m 2 in building area or exceeding three storeys in … Corrosion is very important to address in pipe systems. ASHRAE means the American Society of Heating, Refrigerating and Air-Conditioning Engineers. (ASHRAE)building. The 30XW units are high-efficiency, indoor water-cooled chillers with a quiet, low-vibration design featuring screw compressors. G4.20.1 Definition of working alone or in isolation G4.20.2 Hazard identification, elimination, and control G4.21 Procedures for checking the well-being of workers G4.22.1-1 Late night retail - Definitions and money handling procedures G4.22.1-2 Late night retail - Second worker or barrier Download Download PDF. 2011 ASHRAE HANDBOOK HVAC Applications SI Edition. (1) Subject to Articles 1.1.2.6. and 1.3.1.2., Parts 3, 5 and 6 of Division B apply to all buildings, (a) used for major occupancies classified as, (i) Group A, assembly occupancies, (ii) Group B, care, care and treatment or detention occupancies, or (iii) Group F, Division 1, high hazard industrial occupancies, (b) exceeding 600 m 2 in building area or exceeding three storeys in … Dear Twitpic Community - thank you for all the wonderful photos you have taken over the years. WORKING ALONE OR IN ISOLATION. 15.1 give the assumptions used in a hypothetical sound transmission calculation. The Fire Research Division develops, verifies, and utilizes measurements and predictive methods to quantify the behavior of fire and means to reduce the impact of fire on people, property, and the environment. With 30 cfm in a 1″ diameter orifice, If Figure 1 gives K = 0.605 and Figure 2 gives K = 0.61. Observe that 0.623 from Table 5-1 is 102% of 0.61. Vibration Isolation and Seismic Control Basics: Mechanical vibration and vibration-induced noise are common sources of occupant complaints in modern buildings. 2021 - 31 March 2022), Systemair supplied state-of-the art solutions that ensure visitors enjoy healthy indoor air in a smart, energy-efficient, and sustainable manner. 0 87. a phone call or email you’re trying to send) becomes. a. This prevents water damage and abnormal vibration. Flexible mechanical couplings also can replace flexible connections, depending on the geometry and vibration isolation of the pump or equipment. § Pa is the abbreviation for Pascal, a metric unit of measurement for pressure based on air velocity; 250 Pa equals 1.0 inch water gauge. Vibration isolation also is intended to reduce vibration that can be felt but is below the audible spectrum. • Quiet, low-vibration FFU design: only 49 dBA, measured 30" from filter face @ 90 FPM • Minimize cleanroom service downtime with room-side-replaceable (RSR) fan filter units • Room-side-replaceable filter units feature a Gel-sealed filter and easy-open clips to allow fast filter replacement from below without breaching the cleanroom ceiling Jian Lu. This chapter provides guidelines for the environment, housing, and management of laboratory animals used or produced for research, testing, and teaching. A simple ventilation system will have an intake fan and filter, exhaust fan and filter, and ducting. American Society of Heating, Refrigerating and Air-Conditioning Engineers. 2011 ASHRAE HANDBOOK HVAC Applications SI Edition. Specific points to consider during any investigation of a ventilation system include emission source, air behavior, and employee involvement. PART II Permanent Structures Interpretation. ASHRAE Handbook of Fundamentals. (3) For a building ventilation system installed prior to 1989, an adequate supply of outdoor air must be provided in accordance with the ASHRAE standard in place at the time the ventilation system was designed. The 30XW units are high-efficiency, indoor water-cooled chillers with a quiet, low-vibration design featuring screw compressors. Table 15.1 and Fig. We have now placed Twitpic in an archived state. (2) An adequate supply of outdoor air must be provided to the workplace in accordance with Table 2 of ASHRAE Standard 62-1989. See Figure 5 for isolation device. Jian Lu. For opaque portions of the building thermal envelope intended to comply on an insulation component R-value basis, the R-values for cavity insulation and continuous insulation shall be not less than that specified in Table … The Fire Research Division develops, verifies, and utilizes measurements and predictive methods to quantify the behavior of fire and means to reduce the impact of fire on people, property, and the environment. Read Paper. Specific points to consider during any investigation of a ventilation system include emission source, air behavior, and employee involvement. Read Paper. This table can be used to determine equivalency of conditions. The degree of isolation for airborne noise transmission depends not only on the building construction but also on the type of source, the level of the noise, and on the background noise in the receiving space. 15.1 give the assumptions used in a hypothetical sound transmission calculation. Vibration isolation also is intended to reduce vibration that can be felt but is below the audible spectrum. Common faulty ventilation conditions and their probable causes are listed in Table III:3-1. The units have excellent part load efficiency and a compact footprint less than 48 in. Scopus is Elsevier’s abstract and citation database launched in 2004.Scopus covers nearly 36,377 titles (22,794 active titles and 13,583 inactive titles) from approximately 11,678 publishers, of which 34,346 are peer-reviewed journals in top-level subject fields: life sciences, social sciences, physical sciences and health sciences. Flexible mechanical couplings also can replace flexible connections, depending on the geometry and vibration isolation of the pump or equipment. Full PDF Package Download Full PDF Package. Corrosion . table 1102.3 refrigerant groups, properties, and allowable quantities 8 [ashrae 34:table 4-1, table 4-2]; refrigerant chemical formula chemical name 1 (composition for blends) safety group 7 oel 2 (ppm) pounds per 1000 cubic feet of space; r-11: ccl 3 f: trichlorofluoromethane: a1: c1000: 0.39 2011 ASHRAE HANDBOOK HVAC Applications SI Edition. Drain Pan The unit drain pan is composed of plastic, corrosive resistive material. The friction caused by the vibration of the belt can decrease the fan’s overall efficiency and lead to more frequent repairs. Vibration Isolation and Seismic Control Basics: Mechanical vibration and vibration-induced noise are common sources of occupant complaints in modern buildings. 27 Full PDFs related to this paper. A digest of design data and details organized for easy reference, on all topics related to architecture and construction, with emphasis on graphic and visual information. With 30 cfm in a 1″ diameter orifice, If Figure 1 gives K = 0.605 and Figure 2 gives K = 0.61. The 30XW units are high-efficiency, indoor water-cooled chillers with a quiet, low-vibration design featuring screw compressors. High-Efficiency Water-Cooled Indoor Liquid Screw Chiller with R-134a refrigerant 527 to 1,406 Nominal kW 150 to 400 Nominal Tons. The degree of isolation for airborne noise transmission depends not only on the building construction but also on the type of source, the level of the noise, and on the background noise in the receiving space. (2) An adequate supply of outdoor air must be provided to the workplace in accordance with Table 2 of ASHRAE Standard 62-1989. A digest of design data and details organized for easy reference, on all topics related to architecture and construction, with emphasis on graphic and visual information. To that end, ASHRAE includes a definitive and long-standing set of recommendations for selecting the type and performance of vibration isolators based on the equipment being isolated and the structure on which it is supported. Table 5-1 (interpolated) gives K = 0.6024 which is 98.8% of 0.61. a. G4.20.1 Definition of working alone or in isolation G4.20.2 Hazard identification, elimination, and control G4.21 Procedures for checking the well-being of workers G4.22.1-1 Late night retail - Definitions and money handling procedures G4.22.1-2 Late night retail - Second worker or barrier ASHRAE Handbook of Fundamentals. Is below the audible spectrum taken over the years = 0.6024 which is 98.8 of! Society of Heating, Refrigerating and Air-Conditioning Engineers excellent Part load efficiency a... Design featuring screw compressors industrial buildings load efficiency and lead to more frequent.... Of outdoor air must be provided to the workplace in accordance with Table.... 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