State system for ensuring the uniformity of measurements. State verification scheme for instruments measuring of the spectral radiance, spectral radiant power, spectral irradiance, spectral radiant intensity, power and radiant intensity in spectral range from 0,001 to 1,600 um
Occupational safety standards system. Clothing for protection against high temperature of radiant, convective heat, molten splashes of metal, contact heat, limited flame spread. Technical requirements and test methods
