What is "blowtorches"

Usage examples of "blowtorches".

Two blowtorches had arrived in the last twenty-four hours, and another was on the way.

Hamid-Jones remembered that he had been born under Mars gravity and that despite the toughening stay at Alpha Centauri and the weeks aboard high-G blowtorches, he was laboring under a weight that was almost three times what was normal for him.

They have shotguns, they have handguns, they have knives, they have blowtorches, they have army explosives, they have deer rifles.