The Scariest Welding Contraption I Have Ever Seen

This thing terrifies me. It is a welding device. It makes a loud, very
dangerous-sounding buzzing noise when it's on and it looks like it
will explode at any second, shooting those curly metal spikey bits
into anyone and anything in its path.

I had to walk past it a couple of times while it was on and I felt
like I was walking a plank on a pirates ship.