7. These Regulations shall not apply—
(a)where the Diving Operations at Work Regulations 1981 apply;
(b)where the Merchant Shipping (Medical Scales) (Fishing Vessels) Regulations 1974 apply;
(c)where the Merchant Shipping (Medical Scales) Regulations 1974 apply;
(d)on vessels which are registered outside the United Kingdom;
(e)to a mine of coal, stratified ironstone, shale or fireclay;
(f)in respect of the armed forces of the Crown and any force to which any provision of the Visiting Forces Act 1952 applies.