Acetylene/air turbo torch for 90% of what I do, oxy/acet occasionally when I need to get a larger part really hot or a lead bath up to temp for making springs. I use a good soldering iron to do the brunt of the soft solder tinning I do. I also have a heat treat oven.

http://www.bertramandco.com/
Booking African hunts, firearms import services

Here for the meltdowns