Heat can be a hacker’s best friend. A little heat can help release a stubborn nut cleanly, and a lot of heat can melt a rusty bolt clean off. An oxy-acetylene torch is handy for these applications, ...

Heat can be a hacker’s best friend. A little heat can help release a stubborn nut cleanly, and a lot of heat can melt a rusty bolt clean off. An oxy-acetylene torch is handy for these applications, ...

Also known as a burning bar, the thermic lance relies on high-temperature combustion of iron to burn its way through metal and even concrete. The lance is typically a 10 to 30-ft iron or mild-steel ...