thin shaft
51Overdrive (mechanics) — For other uses, see Overdrive. An overdrive is sometimes a separate unit that fits into the back of a gearbox, as with this Fairey unit. A plate warns to only engage the unit in third and fourth gears …
52Glossary of nautical terms — This is a glossary of nautical terms; some remain current, many date from the 17th 19th century. See also Wiktionary s nautical terms, Category:Nautical terms, and Nautical metaphors in English. Contents: A B C D E F G H I J K L M N O P Q R …
53Iron (golf) — Irons in a golf bag An iron is a type of club used in the sport of golf to propel the ball towards the hole. They are so called because historically the clubhead was generally made from iron. Whilst the vast majority of modern irons are still… …
54Limited slip differential — A limited slip differential (LSD) is a modified or derived type of differential gear arrangement that allows for some difference in rotational velocity of the output shafts, but does not allow the difference in speed to increase beyond a preset… …
55Torsion (mechanics) — In solid mechanics, torsion is the twisting of an object due to an applied torque. In circular sections, the resultant shearing stress is perpendicular to the radius.For solid or hollow shafts of uniform circular cross section and constant wall… …
56Bone — This article is about the skeletal organ. For other uses, see Bone (disambiguation) and Bones (disambiguation). For the tissue, see Osseous tissue. Drawing of a human femur Bones are rigid organs that constitute part of the endoskeleton of… …
57Foreskin — 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… …
58calligraphy — calligrapher, calligraphist, n. calligraphic /kal i graf ik/, calligraphical, adj. calligraphically, adv. /keuh lig reuh fee/, n. 1. fancy penmanship, esp. highly decorative handwriting, as with a great many flourishes: She appreciated the… …
59military technology — Introduction range of weapons, equipment, structures, and vehicles used specifically for the purpose of fighting. It includes the knowledge required to construct such technology, to employ it in combat, and to repair and replenish it.… …
60Archery — competition in West Germany in the early 1980s …
