13.280 Radiation. Including protection against radio-frequency radiation / Защита от радиационного излучения. Включая защиту от радиочастотного излучения, 31.260 Optoelectronics. Including photoelectric tubes and cells / Оптоэлектроника. Лазерное оборудование
Ключевые слова:
Light hazards, Occupational safety, Risk assessment, Hazards, Training, Safety measures, Lasers, Instructions for use