Ключевые слова:
Children, Childrens clothing, Protective clothing, Helmets (protective), Headwear, Colour codes, Identification methods, Field of vision, Fasteners (clothing), Straps, Shock-absorbing materials, Testing conditions, Ageing tests, Artificial ageing tests, Marking, Instructions for use, Impact testing, Headforms, Durability, Performance testing, Ultraviolet radiation, Mechanical testing, Design, Test equipment, Safety measures, Equipment safety