Wear gloves, eye and a thick jacket if your going to be doing this on a regular basis. I don't know if you've ever seen what happens when you heat rock, concrete or anything pouros just a little too much.
BOOM!!!
The rock being wet makes this happen even faster and with more intensity.
Very minimum........ Protect your eyes! (The other shrapnel wounds will make for a great story.)
__________________
Gary
CAN'T WE ALL JUST GET A BONG!?!
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