§ Mr. WareingTo ask the Secretary of State for Energy (1) what percentage of coal mining face-workers are mechanically transported underground from the shaft to the coal face;
481W(2) what percentage of British coal is (a) cut, (b) conveyed and (c) cleaned by mechanical means.
§ Mr. Michael SpicerThese are matters for British Coal and I have asked the chairman to write to the hon. Member.