assess the materials used where these are not in conformity with the relevant harmonized standards or with a European approval for pressure equipment materials, and check the certificate issued by the material manufacturer in accordance with section 4.3 of Annex I,
presoditi tiste uporabljene materiale, ki niso v skladu z zadevnimi usklajenimi standardi ali z evropsko odobritvijo materialov za tlačno opremo, ter preveriti certifikat, ki ga je izdal proizvajalec materialov v skladu s Prilogo I, oddelek 4.3,