tig alu plat pipe weld root test with fill navy test very hard collage uof a at fort smith business drafting work exp,.. steel fab shop welder pipe tell now struct, fab shop from to build power plant smoke stake mining ,everthing else alot of welding with mig this fab shop was sold out times .. i worked with ton overhead crains hoist t ton iron woker rolls track torch mag drills track bugo welderi build jigs and lot of them for smoke stack ... More