transmission à friction
71Murphy brake — The Murphy brake is a drum brake with shoes that pinch the drum via a rotating fork. In contrast, most drum brakes use either shoes that press only on the inside of the drum, or shoes that press only on the outside of the drum, like a band brake …
72History of electromagnetism — The history of electromagnetism, that is the human understanding and recorded use of electromagnetic forces, dates back over two thousand years ago, see Timeline of electromagnetism. The ancients must have been acquainted with the effects of… …
73Foreskin — Infobox Anatomy Name = Foreskin Latin = prepucium, præputium GraySubject = 262 GrayPage = 1250 Caption = A penis with the foreskin covering the glans. Caption2 = Width = 150 Precursor = Genital tubercle, Urogenital folds System = Artery = Dorsal… …
74Roller chain — [ frame|right|Roller chain and sprocket] Roller chain or bush roller chain is the type of chain most commonly used for transmission of mechanical power on bicycles, motorcycles, and in industrial and agricultural machinery. It is simple, reliable …
75roue — [ ru ] n. f. • XIIIe; roe XIIe; a. fr. rode, refait sur rouer; lat. rota 1 ♦ Disque plein ou évidé, tournant sur un axe qui passe par son centre, et utilisé comme organe de déplacement. Essieu, moyeu, jante, rayons d une roue de véhicule. Les… …
76roué — roue [ ru ] n. f. • XIIIe; roe XIIe; a. fr. rode, refait sur rouer; lat. rota 1 ♦ Disque plein ou évidé, tournant sur un axe qui passe par son centre, et utilisé comme organe de déplacement. Essieu, moyeu, jante, rayons d une roue de véhicule.… …
77Citroën 2CV — Manufacturer Citroën Production 1948–1990 [1] …
78Traction (engineering) — Traction refers to the friction between a drive member and the surface it moves upon, where the friction is used to provide motion.For the purposes of driving a wheeled vehicle, high friction is generally desired, as it provides a more positive… …
79Motorcycle oil — Yamaha s own brand of motorcycle engine oil Motorcycle Oils are a range of lubricants, including engine oils, which are specifically developed and marketed for use in the internal combustion engines and transmissions of motorcycles and may also… …
80Hygiene des mains — Hygiène des mains Écoliers lavant leurs mains avant le repas La pratique de l hygiène des mains, plus simplement désignée par « lavage des mains » consiste en l application d une série de mesures destinées à assurer la propreté des… …
