That is just Darwin in action. I guy near me killed himself when he angle grinded an empty gas cylinder in half because he thought it would make a nice plant pot. I heard the bang. If we shouldn't do anything potentially dangerouse then should halfords stop selling me brake pads when I am not a qualified mechanic. Should I not cut the tree down in my garden that half blew over in last weeks storms because I am not an experienced tree surgeon etc etc. sorry I said the rant was over. It is now