DIY,It means do it yourself.But it doesn't mean all the parts made by our hand.We need to use other powerful tools to help us,and make the compoents perfect.
Soldering iron has lot of usages,and it used in many different feild.To soldering something?Sometimes,something only unexpected,and nothing impossible.
Our daily life become more colourful than before.We have the advanced cooking tools,have beautiful robots,have more intelligent car or other electric things to help us.