Ключевые слова: adjustable, breathable, comfort fit, comfortability, comfortable, compliance, construction, design, durable, engineering, ergonomic, gear, hardhat, head, head protection, head safety, headgear, headwear, helmet, impactresistant, industrial, industry, lightweight, lightweight design, ppe, protection, protective, regulations, reliable, safety, safetyconscious, secure, site, thermoplastic, thermoplastic material, tough, vented, wearable, work, workplace, workwear,