How to put on a NBC, CBRN Suit

How to put on a military NBC, CBRN suit, also known as a chemical suit. Rubber NBC suits are very clumsy to put on and uncomfortable to wear, modernised suits that are impregnated with charcoal are often far lighter and more comfortable but they will expire when the charcoal has adsorbed incoming threats. It is very difficult to put a suit on quickly and effectively so it is far better to have a suit on in advance of a threat arising. I have advised before that wearing full body waterproofs is probably a muc