To ask the Secretary of State for Energy what changes have occurred in the productivity per manshift in the coal industry since 1979.
To ask the Secretary of State for Energy what improvements have occurred in output per man shift in the coal industry since 1979.
For the week ending 5 December, average deep mined revenue output per man shift was 4·07 tonnes, a new weekly record level of productivity. This represents an increase of over 80 per cent. on the average of 2·24 tonnes for 1978–79.