If generations of Hollywood heist films have taught us anything, it’s that knocking off a bank vault is pretty easy. It usually starts with a guy and a stethoscope, but that never works, so the bad ...

AUTOGENOUS welding consists in uniting metals by fusion without the intervention of solder. Ordinary welds may be effected by heating in a forge, but the local application of heat by an electric ...

Does one tool work best in every application? A hammer can pound any nail in the house, but a pneumatic nail gun gets the roof shingled faster. For the HVACR technician, the right tool for soldering ...

Does one tool work best in every application? A hammer can pound any nail in the house, but a pneumatic nail gun gets the roof shingled faster. For the HVACR or plumbing technician, the right tool for ...