Automobile roads of general use. Crushed stone and gravel from rocks. Determining the presence of organic impurities in the gravel and gravel crushed stone
State system for ensuring the uniformity of measurements. Standard reference data. Liquid and gaseous n-butane. Thermodynamic properties, dynamic viscosity and thermal conductivity at temperatures from 135 К up to 600 K and pressures up to 70 Mpa
Occupational safety standards system. Personal protective equipment against falls from a height. Sit harnesses. General technical requirements. Test methods
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