21. Limitation on use of charges
Feedback & supportIt shall be the duty of any person who loads a charge in a tool to ensure that the charge is not any charge that he knows, or ought reasonably to know from testing, to be —
in excess of that necessary for the purpose for which the tool is to be used; or
of such strength as will cause the whole of the projectile to pass through the substance on which the tool is to be used.
Paragraph (1)(b) shall not apply where the substance is backed by a material that is capable of absorbing the energy of the projectile fully.
Subregulation 1
It shall be the duty of any person who loads a charge in a tool to ensure that the charge is not any charge that he knows, or ought reasonably to know from testing, to be —
in excess of that necessary for the purpose for which the tool is to be used; or
of such strength as will cause the whole of the projectile to pass through the substance on which the tool is to be used.
Subregulation 2
Paragraph (1)(b) shall not apply where the substance is backed by a material that is capable of absorbing the energy of the projectile fully.