Miners Mr. Speir asked the Minister of Power what is the current strength of the coal industry's labour force; and whether he is satisfied that sufficient miners can be recruited to meet the demand for deep-mined coal. Mr. Wood 568, 260 on 1st July, 1961. The National Coal Board is vigorously tackling the manpower shortages which exist in some areas. Taking into account increased mechanisation and improved productivity, it hopes to recruit all the men it needs.