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View Full Version : What is risers . Its how many types of risers .can explain briefly

krishnasagar473
May 29, 2009, 10:28 PM
Dear sir can u explain please
hvac1000
May 30, 2009, 04:05 AM
http://www.americanaldes.com/Editable/PDFFiles/Ventilation%20Solutions/Controlling-Stack-Effect.pdf (http://www.americanaldes.com/Editable/PDFFiles/Ventilation%20Solutions/Controlling-Stack-Effect.pdf)