Getting rid of nouns bubbles? How do you apply clear contact to stainless steel without getting nouns...

How do you apply clear contact to stainless steel without getting nouns bubbles. They are menus and so need to look debonair.
They can disappear after a week or so but I need to know how to apply them in need bubbles...so that they look more professional.
Thanks.
Answers:    the best way is to apply slowly from one corner to the subsequent and when applying use a credit card/id card to smooth it out/on. then boil it very intensely slowly
Very carefully, but if you catch an air bubble or two, simply prick it near a fine pin and push the air out using a small piece of wood or the resembling.