but is imported or recycled from other extinguishers) and a diesel will
run
like crazy on halon.

How will it do that?

My fire extinguisher expert at Western Fire and Safety has assured me that this
is so.
They do fire suppression systems aboard commercial fish boats, more than
pleasure boats, but the principle is the same.

How will it do that? Apparently, if Halon is compressed enough it will go
"boom" :-)