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Troy Lee was the son of an artist and motorcycle racer named Larry Lee, [2] and grandson of Bonneville Speed Trials co-founder Marvin Lee. Troy was an aspiring professional motocross racer in Southern California in the early 1980s who had started painting the motocross helmets of several of his pro racing friends, eventually giving up the pursuit of racing fame to devote his full time and ...
Mountain biking (abbr. MTB) is a sport of riding bicycles off-road, often over rough terrain, usually using specially designed mountain bikes.Mountain bikes share similarities with other bikes but incorporate features designed to enhance durability and performance in rough terrain, such as air or coil-sprung shocks used as suspension, larger and wider wheels and tires, stronger frame materials ...
A full-face motorcycle helmet. A full face helmet covers the entire head, with a rear that covers the base of the skull, and a protective section over the front of the chin. Such helmets have an open cutout in a band across the eyes and nose, and often include a clear or tinted transparent plastic face shield, known as a visor, that generally ...
Three styles of bicycle helmets: standard, full-face, and multi-sport A typical bicycle helmet. A bicycle helmet is a type of helmet designed to attenuate impacts to the head of a cyclist in collisions while minimizing side effects such as interference with peripheral vision. [1]
A full-face helmet provides the most protection. Thirty-five percent of all crashes show major impact on the chin-bar area. [57] However, 3/4- and 1/2-helmets also are available. The United Nations provides the most widely accepted international standard for motorcycle helmets, and ECE 22.06 is the latest standard.
The Lightweight Helmet (LWH), also known as the Lightweight Marine Corps Helmet [1] or Lightweight Marine Helmet, is an armored helmet that is used by the United States Marine Corps and U.S. Navy. It is the U.S. Marine Corps' replacement for the PASGT combat helmet and is derived from the Modular Integrated Communications Helmet .
COMSUBIN (Comando Raggruppamento Subacquei e Incursori "Teseo Tesei"; Divers and Raiders Group Command "Teseo Tesei") is the Italian Navy's special operations unit. Italy was the first nation to use frogmen and human torpedoes.
Jill Heinerth (born 1965) is a Canadian cave diver, underwater explorer, writer, photographer and film-maker. [4] She has made TV series for PBS, National Geographic Channel and the BBC, consulted on movies for directors including James Cameron, written several books and produced documentaries including We Are Water [5] and Ben's Vortex, about the disappearance of Ben McDaniel.