would you not tell a bloke to walk on a trap end if he didnt pay you for the answer,,,,,,,,cheap question and loaded i know but the point is not only are some of these things of extreme importance,they are deemed so crucial blokes can get prison for not doing them if an accident happens,so it begs the question what kind of organisation would do that and put peoples lives so blatantly on the line,or blackmail blokes for the knowledge !