Common Parts (nomenclature): Ducts, tubes, manifolds, doors, tailpipes, APU mufflers, other sheetmetal components.

Welding Specifications: Boeing BAC5975, AWS D17.1, AMS-STD-2219

Pressure Testing Specifications: OEM requirements for Boeing & Airbus

Titanium Stress Relieving Specifications: Boeing BAC5613

Common Coatings: Primers, paints, alodine, teflon, high-emissivity gold paint, solid film lubricant

Common Treatments: Passivation, Heat Treatment