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Professional Technical and Recreational Diving (ProTec) is an international diver certification agency based in Munich, Germany.. ProTec was founded in 1997. [1] ProTec offers diving education standards and training procedures for beginners through to advanced and diving professionals.
A diver in a pool wearing an AGA full face mask A diver wearing an Ocean Reef full face mask Head protection helmet for use with Ocean Reef full face diving mask. A full-face diving mask is a type of diving mask that seals the whole of the diver's face from the water and contains a mouthpiece, demand valve or constant flow gas supply that provides the diver with breathing gas. [1]
Personnel Armor System for Ground Troops (PASGT, pronounced / ˈ p æ z ɡ ə t / PAZ-gət) is a combat helmet and ballistic vest that was used by the United States military from the early 1980s until the early or mid-2000s, when the helmet and vest were succeeded by the Lightweight Helmet (LWH), Modular Integrated Communications Helmet (MICH), and Interceptor body armor (IBA) respectively.
A pad system and four-point retention system, similar to the cushions and straps found on the aforementioned skate, bicycle, and water helmets, replaces the nylon cord suspension system, sweatband and chinstrap found on the PASGT helmet. [9] The change provides greater impact protection and comfort for the wearer.
A mid-cut helmet or gunfighter cut helmet is a combat helmet that is roughly a compromise between a full-cut helmet and a high-cut helmet, providing a similar profile and some of the extensive protection of a full-cut helmet while also allowing for the light weight and ear protection mounting permitted by a high-cut helmet.
[1] [2] Surface supplied divers usually use a full face mask or diving helmet, but in some systems the half mask may be used. [2] When the human eye is in direct contact with water as opposed to air, its normal environment, light entering the eye is refracted by a different angle and the eye is unable to focus the light on the retina. By ...
Cleaning to remove salt water, sand, mud, and other relatively harmless environmental contaminants is intended to reduce degradation of the equipment and improve comfort during the next use. In most cases soaking or rinsing in fresh water is sufficient, but detergents and occasionally scrubbing before rinsing can speed up the process.
MIPS (Multi-directional Impact Protection System) is a head-protection system designed to enhance the safety of various helmets. Rotational motion results in shearing and/or stretching of brain tissue and increases the risk of brain injuries. [ 1 ]
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