If this is a moderm manufacture gun, the company will provide an owner's manual which will have disassembly instructions. Contact them at their web site.
If this is an antique gun, you are best advised to not disassemble it if you don't know what you are doing. You can damage it and significantly reduce its value if you take it apart incorrectly.
There are many places where one can find Breakdown recovery in the UK. A very good place is the website "money" to find Breakdown recovery in the UK online.
They are called muzzleloaders simply because the powder and bullet are loaded from the muzzle end of the gun, Here is a page from WIKIpedia that may help answer.http://en.wikipedia.org/wiki/Muzzleloader
You can find at many websites. Google abut the breakdown of ozone and you'll find articles.
Yes
No
go on internet and type in 'luger breakdown'
It comes from the breakdown of uranium.
You can find out more about mechanical breakdown insurance by going to http://www.mercuryinsurance.com/insurance-products/mechanical-breakdown-protection.html.
One can find a breakdown car recovery service by contacting or visiting AA or the RAC which are two of the biggest breakdown recovery specialists offering many deals for their customers.
If by breakdown sheet you mean exploded diagram, BikeBandit.com has what you are looking for.
Cabella's
That depends on the make and model.