Rich,
They do require an air source. Some of the lighter duty ones (less than
1/4" thick material) have compressors built in.
Again, I knew nothing about plasma cutters a week ago and I spent the past
two days cutting 3/8" material like it was butter.
Moose
"Be as beneficent as the sun or the sea, but if your rights as a rational
being are trenched on, die on the first inch of your territory." Ralph
Waldo Emerson
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