Work with ductwork fabrication tools in a metal fabrication shop.
Measure and mark dimensions and reference lines on metal sheets
Drill holes in metal for screws, bolts and rivets
Install metal sheets with supportive frameworks
Fasten seams or joints by welding, bolting, riveting or soldering
Study plans and specifications to determine the kind and quantity of materials needed • Make required calculations and use tapes and rulers to layout work
Make custom pieces and operate equipment that is manually controlled
