- wedged keying
- clavetage m
Dictionary of Engineering, architecture and construction – materials & technologies, 2nd edition, la Maison du dictionnaire. 2007.
Dictionary of Engineering, architecture and construction – materials & technologies, 2nd edition, la Maison du dictionnaire. 2007.
Chamber lock — A chamber lock is a method of securing a firearm against accidental discharge. Chamber locks are used to prevent live ammunition from loading into a firearm by blocking the chamber with a dummy (fake) cartridge. The cartridge is sometimes wedged… … Wikipedia
coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… … Universalium