METAL BODY REPAIR - OD1653 - LESSON 1/PE 1
It should be hammered out before heat is applied.
If the epoxy has not thoroughly cured, the body file will clog and
gouge the surface being worked on.
The process of tinning prepares a surface for receiving and holding
A light coat of oil.
Solder composed of 30 percent tin and 70 percent lead.