22 - how to select duct gage with reinforcement, duct construction standards.

[@safwanrinu]

Sir,can you make a video to find turning vane in elbow

[@ncengineeringtechnology3376]

Thanks
Noted,
sure I will do

[@ncengineeringtechnology3376]

ua-cam.com/video/mz3kP3ksufU/v-deo.htmlfeature=shared