6. General requirements for tools

No tool shall be used unless —

it is of good construction, sound material and adequate strength, is free from patent defects and is in accordance with a standard or specification acceptable to the Commissioner;

a projectile cannot be discharged from it if it is dropped onto a surface from a height of 3 metres or more;

it cannot be discharged accidentally while being handled; and

where it is a direct acting tool, it can only be discharged —

if a force of 110 newtons or more is applied by its operator to the springs of the breech and firing mechanisms; and

if the axis of its barrel or barrel extension does not deviate by more than 7 degrees from a right angle formed by the barrel and the surface into which a projectile is to be fired from it.