Leaching of solid materials - Batch test for the examination of the leaching behaviour of inorganic substances at a liquid to solid ratio of 2 l/kg— 13 стр.
Process heat installations for more than one kind of energy; one boiler for solid fuel and one for oil or gas and only one chimney; safety requirements and tests— 10 стр.
Construction contract procedures (VOB); part C: general technical specifications in construction contracts (ATV); installation of HVAC systems— 23 стр.
Tendering and performance stipulations in contracts for construction works (VOB); part C: general technical specifications in contracts for construction works (ATV); installation of air conditioning systems— 22 стр.
Measurement of noise emitted by machines; airborne noise emission; enveloping surface method and in-duct method; fan-assisted warm air generators, fan-assisted air heaters and fan units of air handling devices— 6 стр.