means a drillhole in which a small charge of explosive has been exploded for the purpose of enlarging the bottom;

means a hole remaining after a charge has been exploded in it;

means any cutting or excavation for a thoroughfare or bridge or dam or for the foundations or site of a building or demolition work or submarine work or any other work of a nature similar to any of the foregoing, and, subject to the provisions of any regulations made under the provisions of the Mining Act 1965 or the Quarries Act 1939, includes any works to which the provisions of either of those Acts apply;

means a capsule or case which is of such strength and construction and contains a fulminate in such quantity that the explosion of one capsule or case will communicate the explosion to other like capsules or cases and includes electric detonators and electric delay action detonators;

includes all firework and signal light compositions as well as manufactured fireworks and signal lights;

means the person having immediate charge of the civil engineering works;

means an inspector of mines appointed under the Mining Act 1965;

means the person responsible for the control, management and direction of the civil engineering works;

includes all kinds of matches ordinarily so called whether safety or otherwise;

means a hole in which the explosive has failed to explode;

means an explosive into which a detonator has been inserted;

means a fuse for blasting which burns but does not explode, and which does not contain its own means of ignition, and which is of such strength and construction and contains an explosive in such a quantity that the burning of such fuse will not communicate laterally with other like fuses;

means any body of workmen whose time for beginning and ending work is the same or approximately the same;

means the person in charge of and directly supervising the charging, tamping and blasting operations;

means the pressing of an explosive into a confined space;

means any underground or subterranean passageway;

includes all excavations; and

includes all plant, machinery, installations, buildings, dams and reservoirs used in connection with civil engineering works.