-Attaching metal with solder-Adhesion

-Alloy of lead & tin- used in soft soldering- low melting point

-Chemically cleans metal so solder will stick to metal

-Used to solder electrical wires

-Used to solder solid wire-Plugs into electrical outlet, unplug iron when not soldering.

-Test to see if it is ready to solder with a piece of solder.

-Used to solder sheet metal-Used along with soldering furnace

-To clean the tip of the soldering device and applying a thin coat of solder.

– makes it shiny

-Used to heat up soldering coppers-Natural Gas