27. The manager shall make and secure the efficient carrying out of arrangements to ensure that a daily record is kept, in a book provided by the owner of the mine, either—
(a)by the deputy in charge of every district, in respect of the number of shots fired, and the quantity of explosives and number of detonators (if any) used, in that district on each shift of his; or
(b)by each shot firer and each person appointed to fire shots by fuse, in respect of the number of shots fired, and the quantity of explosives and numbers of detonators (if any) used, by him on each shift of his.