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Feature:
protecting vest is a PE foam processing by a private security protection supplies, when 2-2.5kg heavy free drop, falling from 2-3m of human neck, shoulder, back and mantle are a reliable security protection, and waterproofing fabrics fabrics chosen, a certain moisture-proof and waterproof performance, apply water in a moist environment and the use of absorbent volume small, the measurement of buoyancy to 6.5kg, who helped downed personnel. Fabric colours for safety color, and in the back with a reflective device in the dim light tunnel and the underground pit, easy to alert drivers of the vehicles in operation, widely used in water conservancy and hydropower project tunnel excavation, mining extraction, rail, bridges, buildings and other construction sites.
