Vertical double-wall steel tanks with vacuum-based leak detection system, for the above ground storage of flammable and non-flammable water polluting liquids— 5 стр.
Vertical double-wall steel tanks with liquid-based leak detection system, for the above ground storage of flammable and non-flammable water polluting liquids— 4 стр.
Contract Procedure for Building Works; Part C: General Technical Specifications for Building Works; Systems for Central Heating and Central Raw Water Heating— 21 стр.