check whether the technical requirements set out in section 2 have been met, and in particular check by an external, and if possible internal, visual examination of the cylinders whether the construction and the checks carried out by the manufacturer in accordance with 2.3.1 are satisfactory;
preveri dokumente, ki navajajo podatke o materialih, preveri, ali so izpolnjene zahteve, navedene v oddelku 2, in posebej preveri z vizualnim pregledom zunanjosti, po možnosti pa tudi notranjosti jeklenk, ali so proizvajalčevi izdelava in preskusi, opravljeni v skladu z 2.3.1, zadovoljivi;