Specification for black bolts, screws and nuts, hexagon and square, with B.S.W. threads, and partly machined bolts, screws and nuts, hexagon and square, with B.S.W. or B.S.F. threads— 22 стр.
Code of practice for sheet roof and wall coverings, Code of practice for sheet roof and wall coverings. Galvanized corrugated steel. Metric units— 22 стр.
Code of practice for domestic butane- and propane-gas-burning installations, Installations at permanent dwellings, residential park homes and commercial premises, with installation pipework sizes not exceeding DN 25 for steel and DN 28 for corrugated stainless steel or copper— 54 стр.