Ключевые слова:
Instructions for use, Performance, Field of vision, Drop tests, Mass, Sports equipment, Testing conditions, Mechanical testing, Penetration tests, Eye protectors, Optical properties of materials, Artificial ageing tests, Helmets (protective), Shock-absorbing materials, Impact testing, Face shields, Optical measurement, Marking, Restraint systems (protective), Ageing (materials), Winter sports equipment, Design, Specimen preparation, Rigidity, Test equipment