Automobile roads of general use. Mineral materials for preparing coarse-grained asphalt concrete mixtures. Method for determination of density and absorption
Explosive atmospheres. Rules of competence assessment of the personnel performing installation, maintenance, repair and overhaul of the electrical installations intended for use in explosive atmospheres
Ionizing-radiation scintillation detectors. Method for measurement of photomultiplier spectrometric constant used for detector scintillation parameter determination