Ключевые слова:
Steels|Walls|Underground|Pressure|Pipe fittings|Joints|Leak tests|Flow rates|Pipes|Corrugated|Buildings|Domestic pipework systems|Size|Dimensions|Fire safety|Ventilation|Fire safety in buildings|Stainless steels|Copper|Installation|Gas circuits|Floors|Safety measures|Design calculations|Pipework systems|Pressure testing|2nd family gases|Malleable cast-iron|Plastics|Corrosion|Valves|Gas supply|Gas pipes|Pipe supports|Design|Corrosion protection