Say you want to create a social network for soccer moms to chat and commune. Instead of building up the social site first and relying on the 8 soccer moms you know to get it going, it's better to create a blog with tips targeted toward soccer moms. Build it up with stories and useful tips other soccer moms need.
The main composition of a soldering iron is a metal tip, which is heated in an insulated handle by either gas combustion or electricity. Today, electronics soldering iron is widely used in repair jobs, installations, electronic assemblies and so on. It is also used for pyrography as well as plastic welding, although very rarely seen.
Soldering Basics. Soldering refers to the fact that two pieces of metal are joined together using heat and the appropriate type of solder. The best way I can describe solder is it's a metal alloy that 'glues' pieces of metal together. Use silver solder for silver, copper and brass. Gold solder for gold metal-which requires a higher temperature than silver. A jewelry making torch is used to solder.