
WARPING
Warping (fr: Déformation): Making or becoming bent or twisted out of normal shape, typically as a result of the effects of damp or heat.
WELDED TUBE
Welded tube (fr: Tube soudé): A tube produced by welding the edges of a rolled strip of metal, creating a seam that runs the length of the tube.
WELDING
Welding (fr: Soudage): Combining two or more pieces of metal by applying heat or pressure, or both, with or without filler material, to form a union through fusion or recrystallization across the surfaces.
