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.
Report Abuse. Solder is a lead based alloy with a low melting temp. Used to bind two pieces of tin, iron, copper, or steel. Joining copper pipes and circuit board connections are where it's most commonly used.older is a mixture of tin and lead. It melts around 300 degrees and is used to fasten metal together. It adheres to Silver and Copper. Electronic circuits use solder to attach the individual components to a printed copper pattern on the circuit board. Plumbers use solder to seal copper pipes together.