2. These Regulations shall not apply to or in relation to—
(a)the master or crew of a sea-going ship or to the employer of such persons in respect of the normal ship-board activities carried out solely by a ship’s crew under the direction of the master; or
(b)any place below ground in a mine; or
(c)any diving operation to and in relation to which the Diving Operations at Work Regulations 1981 apply by virtue of regulation 3 of those Regulations.