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Headlamp attached to a helmet. A headlamp, headlight, or head torch is a light source affixed to the head typically for outdoor activities at night or in dark conditions such as caving, orienteering, hiking, skiing, backpacking, camping, mountaineering or mountain biking. Headlamps may also be used in adventure races.
With a head mount there is a greater risk of dazzling other divers in the vicinity, as the lights move with the diver's head, and this arrangement is more appropriate for divers who work or explore alone. [citation needed] Helmet mounts are common for commercial work which is often monitored by a helmet mount closed circuit video camera.
The Lightweight Helmet (LWH) can be used with the older sling suspension or a newer pad suspension to fit the helmet to the head, [3] as well as a nape protection system to add ballistic protection to the rear of the head. [4] The MICH TC-2000 Combat Helmet is issued to some specialized units.
A prescription mask, or glasses which can be mounted inside the mask or helmet to provide clear vision underwater, enhancing the experience and safety for those with vision problems. A prescription mask contains lenses mounted in the scuba mask frame or bonded to the original viewports. Diving helmets are often used for surface-supplied diving ...
A French manufactured acetylene gas lamp, of circa 1910, mounted on a bicycle. In 1892, Thomas Willson discovered an economically efficient process for creating calcium carbide in an electric arc furnace from a mixture of lime and coke. The arc furnace provides the high temperature required to drive the reaction. [2]
Hilbert Joseph Savoie Jr., [1] known as Joe Savoie (25 January 1926, Pointe au Chen, Louisiana – 10 March 1996, Boutte, Louisiana), [2] [3] was a pioneering commercial diver and inventor of lightweight diving helmets, particularly the neck dam feature which allows the helmet to be sealed to the diver independently of the diving suit.