9. No person shall take any explosive below ground in any mine unless it is in the form of a cartridge.
10.—(1) Except in pursuance of the next following regulation, no person shall take any explosive below ground in any mine unless it is in a closed canister stoutly constructed and containing not more than five pounds of explosive:
(2) No person shall put anything other than explosives into a canister provided for the purpose of taking explosives below ground in a mine.
(3) Every person having any canister of explosives in his possession or control shall ensure that it is not deposited at any time elsewhere than in a place of safety, and in particular if at the end of his period of duty the canister contains any explosive shall return it to the appropriate place on the surface appointed for the storage or deposit of explosives or, if he received it from a reserve station established for the purposes of a scheme of transit, to that reserve station or to a person and at a place appointed by the manager for the purposes of that scheme.
(4) No person below ground shall unlock or open any canister of explosives or take any explosive from any canister unless the shot firer or person appointed to fire shots by fuse (as the case may be) concerned requires to check the quantity of the explosives or the explosive is required immediately for charging a shot hole or the act in question has been authorised by a deputy or other official of the mine.