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The punching of multiple holes, often identical and arranged in a regular pattern, in a sheet, blank, or formed part. The holes are often round, but could be of any shape.
The process of forming an phosphate coating on metal by immersion in an aqueous phosphate solution.
Product Lifecycle Management.
Plane of bend. The orientation of a bend in relation to the axis of the straight section preceding it. Used specifically for changes of plane in successive bends.