Explosive atmospheres - Explosion prevention and protection - Part 2: Basic concepts and methodology for mining; German version EN 1127-2:2014— 38 стр.
Guide to the design, installation, testing and maintenance of services supplying water for domestic use within buildings and their curtilages. Complementary guidance to BS EN 806— 94 стр.
Guide to the design, installation, testing and maintenance of services supplying water for domestic use within buildings and their curtilages. Complementary guidance to BS EN 806— 100 стр.