NAV401 This is an open forum for the exchange of opinions/views. Looking at your small number of postings since you recently joined it seems you spend all your time criticising other postings!!
If you don't like what you read....head off in the direction of Airmech.co.uk and have some real fun!
FYI, I am a Licensed/Approved Eng with more years than I care to count both on the tools and certifying