"So MAP gas is a better option when soldering copper to brass. It burns hotter and makes soldering a bit quicker when you get into larger sizes of pipe." Soldering pipe can be done safely.

Straight copper pipe, at least 30cm long. 15 or 22mm diameter central heating pipe works well. (A hardware store may lend you a piece for a minute just to try this out) A circular neodymium magnet ...

Grip the copper pipe firmly in one hand and tuck one end under your knee to keep it from slipping while you tighten and rotate the cutter. Clamp the pipe between the cutting wheel and the guide ...