Any inspector may -
(a) enter any explosives factory or explosives magazine at any hour of the day or night for the purpose of
inspecting the same and of making inquiries relative to the compliance with the provisions of this Act and the regulations, or relative to the means used therein for preserving the safety of the public or of any person employed therein;
(b) enter at any hour of the day or night upon any premises in which explosives are kept, or in which there is good reason to suspect that explosives are being manufactured or stored or kept or conveyed in contravention of the provisions of this Act or the regulations, and inspect any such premises and make all such inquiries thereon as he may think fit;
(c) require the occupier or other person for the time being in charge of any explosives factory, explosives magazine, or other premises in this section mentioned, to furnish for purposes of analysis or test, samples of explosives or ingredients of explosives or any substance found therein or suspected of being an explosive or
an ingredient of an explosive.