write a paraphrase for the given text:
If located in an area within which risk of fire or explosion from ignition of gas, vapour or volatile liquid exists or is likely to exist, it must be suitable for use in that area.
Where this is placed on a site where there is or is likely to be a fire or explosion hazard due to the combustion of gas, vapours or flammable liquids, a use at this point shall be arranged.