La soudure
Dictionary definition
Permanent joining of two metal parts and some synthetic products executed by thermal means.
Soudage
Operation to bring together two or more consecutive parts of an Assembly, so as to ensure continuity between the parties to assemble, either by heating or by intervention of pressure, either by one and the other, with or without the use of an input product whose melting temperature is of the same order of magnitude as that of the base material.