GOST 4088-69

Nature protection. Recultivation of lands. Method of measurement and sum calculation of toxic salts in overburden and enclosing rocks

Tourism services. Requirements for the tour guides

Rectangular all-cast moulding boxes of aluminium and magnesium alloys having inside dimensions: length from 400 to 500 mm, width from 300 to 400 mm, height from 100 to 200 mm. Construction

Fancy shoes. Specifications

Best available techniques. Guidelines for the submission of information on current emission levels and resource consumption in the information and technical reference book on the best available techniques

Technical energy systems. Structure for analysis. Energyware supply and demand sectors