Half Life - ''FVOX'' Sounds ( Mark IV)

In much of the Half-Life series, Freeman wears a special full-body hazard suit, known as the HEV suit or . suit, . standing for Hazardous EnVironment. The HEV suit was designed by Doctor Gina Cross, one of the main protagonists in Half-Life: Decay. Freeman wears the Mark IV suit in Half-Life, then donning the upgraded Mark V suit in Half-Life 2. Cross was said to have tested a Mark V prototype before the events of the resonance cascade, but it is unknown if this is related to the Mark V suit in Half-Life 2. Designed to protect the user from radiation, energy discharges, and blunt trauma during the handling of hazardous materials, the HEV suit is what allows Gordon, an ordinary human being, to survive the dangers and injuries he faces over the course of his struggles. The HEV Mark IV suit worn by Freeman in Half-Life has a built-in flashlight, Geiger counter, morphine administrator (which allows Gordon to function normally even after serious injury), anti-toxin delivery system, an optional Lo