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I trained at a commercial school on a natural gas torch, and then set
it up at home, used it in 2 jobs that lasted briefly. All I have to
supply is the O2. I bought the best torch supplied over 20 years ago
and could look it up for you and have used it ever since. I do have
to have a whole acetylene rig to cast, but I have been completely
satisfied with the natural gas and O2. It requires no booster, but
comes as supplied in the house line.