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.
You need to immerse the aluminum in the oil and then clean it with a wire brush or something similar. Some people just keep brushing the aluminum with the soldering iron (or gun) tip while applying the solder. Of course, you MUST keep the aluminum, the soldering iron tip, and the solder within the layer of oil. Now there is available solder with a special flux that can be used to solder aluminum. However, this is not always available.