Protection of steel structures from corrosion by organic and metallic coatings; part 8: protection of supporting thin-walled building components from corrosion— 20 стр.
Central drinking water supply; Basic principles relating to the requirements on drinking water Planing, construction and operation of the installations— 29 стр.
Treatment of water of swimming pools and baths - Part 4: Combination of process: Flocculation, ozonisation, multilayer filtration, chlorination— 10 стр.
Treatment of water of swimming pools and baths - Part 5: Combination of process: Flocculation, filtration, adsorption at granular activated carbon; chlorination— 9 стр.
Treatment of water of swimming-pools and baths - Part 3: Combination of process: Flocculation, filtration, ozonization, absorbing filtration, chlorination— 7 стр.