Many welders use compressed gases when they do their welding,
cutting, and other processes such as descaling, heating, and
straightening. The reason is that the equipment is fairly
inexpensive, is versatile, and is easy to move around where you
need it to be. Gas welding is used in many places, including
machine shops, garages, in plant maintenance, engineering
workshops, and in construction. This in itself is not a problem.
The problem occurs when people are so used to seeing and using
gas welding equipment that they forget about the dangers that
come with it. There are lots of people who are injured every
single year by being careless or using the oxy/fuel gas
equipment. There are some deaths.  Hot work needs a permit to
work that will detail what is going to be carried out, how, and
when. It also will tell you the precautions that you need to
take. If the permit system is written, it is more likely that
more care and supervision will be provided. Never use gas
welding equipment unless an experienced superv