Automobile roads of general use. Mineral materials for preparing asphalt mixtures. Volumetric-functional design system. Method for determination of loss of mass under the action of sodium sulfate or magnesium sulfate
Occupational safety standards system. Respiratory protective devices. Test procedure for self-contained breathing apparatus and self-rescue involving test volunteers
State system for ensuring the uniformity of measurements. Single-crystal silicon nanometer range relief measures. Requirements for geometrical shapes, linear sizes and manufacturing material selection
