6.0  Tools
6.1  You must ensure that all tools are properly maintained so that they do not cause a danger to yourself or those around you, e.g. spanners, avoid splayed jaws. Do not improvise the size of the spanner by using pipes etc. as extension handles.

7.0  Gas
7.1  If you suspect a leak, you must turn off the supply.
7.2  NO WORKS shall be undertaken on any gas or gas related supply unless the contractor holds a valid CORGI registration certificate.
7.3  Any Gas works undertaken will comply wholly to the competencies required by CORGI.
7.4  Change Gas Cylinders away from sources of ignition, in a well ventilated pace. Use soap or detergent, never a flame to test for leaks.
7.5  Before welding and similar work, remove or protect flammable materials.