Where differing foreseeable conditions of use are such that several levels of the same risk can be distinguished, appropriate classes of protection must be taken into account in the design of the PPE.
I gcás ina bhféadfar le dálaí éagsúla úsáide is intuartha idirdhealú a dhéanamh idir leibhéil éagsúla den riosca céanna, ní mór cineálacha iomchuí cosanta a chur san áireamh agus an TCP á dhearadh.