Occupational safety standards system. Protective clothing providing protection from chemicals. Part 4. Method for determination of resistance to penetration by a spray of liquid (spray test)
The system of ensuring the uniformity of measurements at the enterprises of the aviation industry. The order of carrying out of works on metrological support of test equipment
Quality ratings system. Building. Cast iron and plastic waste pipes and fittings and cast iron couplings for asbestos-cement pressure pipes. Nomenclature of characteristics