and power threading machines
Joining copper pipe and fittings using hard and soft solders
Making flared and compression joints according to code regulations groove steel and copper pipe for Victaulic fittings and assemble Victaulic and flanged materials
Interpretation of drawings and blueprints
Interpretation of plumbing code
sizing of sewers
drains
stacks
vents
etc.
Drawing layouts
and constructing installations from layouts and blueprints
Installation of various water and gas systems
pipes and fittings in new building construction
Test for leaks in new systems with compressed air and/or water for the purpose of ensuring that items are functional and in safe working conditions.