The following shall be substituted for section 124(1) of the Mines and Quarries Act 1954 (which provides that no female shall be employed below ground at a mine)—
(1) No female shall be employed in a job the duties of which ordinarily require the employee to spend a significant proportion of his time below ground at a mine which is being worked
Throughout the Coal Mines Regulation Act 1908, for " workman " or " man " there is substituted " worker ", and for "workmen" or "men" there is substituted " workers ".