§ Mr. Lawsonasked the Secretary of State for Defence how many man-hours it takes to build a Chieftain tank at the Royal Ordnance Factory, Leeds; and how this compares with the number of man-hours required to manufacture the Vickers version of the Chieftain tank.
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§ Mr. William RodgersThe information necessary to make a meaningful comparison is not available, nor would it be right to disclose information of a kind involving commercial confidence.