. "Solder (/\u02C8so\u028Ald\u0259/, /\u02C8s\u0252ld\u0259/ or in North America /\u02C8s\u0252d\u0259r/) is a fusible metal alloy used to join together metal workpieces and having a melting point below that of the workpiece(s).Soft solder is typically thought of when solder or soldering is mentioned, with a typical melting range of 90 to 450 \u00B0C (190 to 840 \u00B0F). It is commonly used in electronics, plumbing, and assembly of sheet metal parts. Manual soldering uses a soldering iron or soldering gun."@en . .