An employer, self-employed person or user shall -
(a) take all reasonable precautions to prevent foreign materials such as grit, stones or similar objects from entering danger buildings;
(b) ensure that no charcoal, whether ground or otherwise, oily rag or other article susceptible to spontaneous
ignition is taken into any danger building, unless such article is required for immediate use in a specified
place and, upon cessation of such use, is removed forthwith; and
(c) not permit any article not listed on the loose article list to be used or to be present in a danger building.