locking sheet
51Nut (hardware) — A nut threaded onto a bolt A nut is a type of hardware fastener with a threaded hole. Nuts are almost always used opposite a mating bolt to fasten a stack of parts together. The two partners are kept together by a combination of their threads… …
52Secondary characters in Calvin and Hobbes — Bill Watterson s comic strip Calvin and Hobbes features a wide range of secondary characters. These range from his fellow students at school to monsters and aliens from Calvin s vivid imagination. Contents 1 Calvin s family 1.1 Calvin s father… …
53Разъём NEMA — Вилка и розетка NEMA 5 15. Розетка принимает как заземлённые, так и незаземлённые поляризованные и неполяризованные вилки. Разъёмы NEMA  штепсельные разъёмы, соответствующие стандартам, установленным американской Национальной Ассоциацией… …
54MG 42 — (top) Type General purpose machine gun Place of origin …
55Plate nut — A plate nut, also known as a nut plate, is a stamped sheet metal nut that is riveted to a workpiece. They have a long tube that is internally threaded and a plate with two clearance holes for rivets. They were originally developed for the… …
56Разъёмы NEMA — Вилка и розетка NEMA 5 15. Розетка принимает как заземлённые, так и незаземлённые поляризованные и неполяризованные вилки. Разъёмы NEMA  штепсельные разъёмы, соответствующие стандартам, установленным американской Национальной Ассоциацией… …
57Chevrolet Caprice — 1976 Chevrolet Caprice Classic Landau Coupe Manufacturer Chevrolet (1964 1996) Holden (2011 present) Production …
58Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …
59Unusual types of gramophone records — The overwhelming majority of records manufactured have been of certain sizes (7, 10, or 12 inches), playback speeds (33⅓, 45, or 78 RPM), and appearance (round black discs). However, since the commercial adoption of the gramophone record, a… …
60Arctic Regions — ▪ 2009 The Arctic regions may be defined in physical terms (astronomical [north of the Arctic Circle, latitude 66° 30′ N], climatic [above the 10 °C (50 °F) July isotherm], or vegetational [above the northern limit of the tree line]) or in human… …
