A. You guessed right: the copper pipes make the noise as they heat up.

Do the same with the other end of the copper pipe.

Use a magnet that's a bit smaller than the inside of the copper pipe.

Lead can also get into water from the solder in copper pipes.

"And this copper pipe didn't even come into use till the 1930s," added Jay.

Some of the copper pipe and wiring has also been removed.

I used 15mm copper pipe as I have found plastic is not strong enough.

The women turned out to be a pineapple and a piece of copper pipe.

Fuel was fed to the engines by means of copper pipes.

These consisted of long copper pipes, fired with high pressure gas.