asked the Minister of Labour how many men employed in the mining industry annually reach the age when they are required to register for National Service; how many are totally exempted; and how many are called up.

I assume that my hon. Friend is referring to coalmining. The answers to the first and second parts of the Question are an estimated figure of 14,000 and none, respectively; information regarding the last part of the Question is not available, as records are not compiled on an industry basis.