§ Mr. Peter Freemanasked the Minister of Fuel and Power what kinds of mechanical alternatives there are, apart from conveyors, to the employment of horses and ponies in mines; and what proportion of the output was respectively handled by these mechanical alternatives each year since 1946.
§ Mr. GaitskellApart from conveyors, the alternatives to horses in suitable conditions are diesel locomotives, electric battery locomotives, and rope haulage systems. As regards the last part of the Question, I regret that figures are not available.