Tools & Equipment: Hand & Power Tools: Basic tool preparation

Topic	Summary

Safety first	Always follow equipment and workshop instructions, including the use of recommended personal protection equipment.
Hardening & tempering	By heating and then swiftly cooling certain kinds of steel changes the way that the elements in the alloy are arranged, resulting in a harder material.
Carbon-alloy	When carbon and other materials are alloyed with iron it forms steel. Changing the amount of carbon will change the hardness, ductility and toughness.