In my opinion, the ‘80s saw the most significant development in HVAC duct fabrication of any during the past half-century. So much so, that I have to split the 1980s into two stories: One is in the ...
In sheet-metal fabrication, parts are formed from metal sheets by punching, cutting, stamping, and bending. 3D CAD files are created using a host of different CAD packages and then converted into ...