Kent will jump in here
head first with no idea of temp or depth of the water



old time stuff NO way!!!!!!!!!!!
new stuff, with gun switches and foot pedals to adjust wire feed, volts, amps
possible
but that is multi tasking to the limit
way better than most on manual, robotic is better
but still, multi task, to the limit
CNC after you have it set best choice
ask Larry, above my pay grade
but as far as manual
Sourdough can do it....says he is the best



most of the rest of us, too tough
sincerely,
Kent