Cutting takeoffs and proper attachment to trunklines (Mechanical Training # 104)
28:23
Insulating ductwork fittings Part 2 - Zone dampers, Return cans, Endcaps, Square to rounds (# 103-2)
34:38
Onsite metal fabrication - four-piece duct transition (Mechanical / sheet metal training #106)
17:24
Discussing Ducts Types and Tips
12:41
Quick and Easy Duct Design Information
17:42
HVAC Ductwork BEST Practices Using SHURTAPE | Part 2
24:35
I Expertly Repair Broken Fiat Tractor Wheel Axle Most Amazing Technique // Must Watch This Video 
18:53
Insulating round pipe elbows using fiberglass ductwrap (Mechanical Training - Duct # 102)
13:44