Very wise advice there. Same goes for anything with cutting blades that uses petrol or electricity such as hedge-trimmers, shredders, power drills etc and, if you have to use anything that has a toxic element, please read the advice on the label. If anyone thinks it makes them more of a man by ignoring all the caveats then I suggest they don't decide to shin up a big tree to cut the overhanging branches off unless they want to sing a la castrato.