General HVAC Discussion
What is the difference between a
Sheet Metal Worker (http://www.red-seal.ca/trades/sh.2.2t_m.2t.1l-eng.html)
Metal Fabricator (http://www.red-seal.ca/trades/m.2t.1l_f.1b-eng.html)
Machinist (http://www.red-seal.ca/trades/m.1ch.3n.3st-eng.html)
I'm looking into applying to programs but they...