Cylindrical gears - ISO system of accuracy - Part 2: Definitions and allowable values of deviations relevant to radial composite deviations and runout information— 16 стр.
Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Unalloyed and alloyed steels with specified elevated temperature properties— 28 стр.
Fire and explosion precautions at premises handling flammable gases, liquids and dusts, Code of practice for precautions against fire and explosion in chemical plants, chemical storage and similar premises— 74 стр.