best of luck to you..
wear a watch, shows you're punctual and organised
don't wear too much / any bling.. wedding ring if you must ( but not if you're applying for machining jobs etc where you would have to take it off anyway.. etc.. )
your spec letter may be too complex.. would you sit and read 6 pages and wade through a load of certificates etc?
a one page covering letter and a copy of your 2 page CV should be sufficient..
if you give them all the info up front then they don't have to get you in to get the rest do they?
Thanks mate, and all advice has been taken in!