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Welding
Welding is a joining process in which two or more pieces of a material (usually metals or thermoplastics) are united.
Definition
Welding is a process of joining two or more pieces (usually metal) in which heat and/or pressure melt part of the pieces, or a filler material is added; they are brought together and, as they cool, they become joined.
Types
There are 4 types of welding: soft soldering, brazing, oxyacetylene, and resistance or electric arc welding (arc, spot and seam).
