precision-machined part
71Symmetry — For other uses, see Symmetry (disambiguation) …
72Case hardening — or surface hardening is the process of hardening the surface of a metal, often a low carbon steel, by infusing elements into the material s surface, forming a thin layer of a harder alloy. Case hardening is usually done after the part in question …
73Telescopic sight — Scope redirects here. For other uses, see Scope (disambiguation). View through a 4x rifle scope. A telescopic sight, commonly called a scope, is a sighting device that is based on an optical refracting telescope. They are equipped with some form… …
74Electronic packaging — is a major discipline within the field of electronic engineering, and includes a wide variety of technologies. It refers to enclosures and protective features built into the product itself, and not to shipping containers. It applies both to end… …
75Surfware — Infobox Company company name = Surfware, Inc. company type = Private foundation = 1988 location = Camarillo, California, USA key people = Alan Diehl, Founder; Stephen Diehl, President and CEO industry = CAD/CAM Software products = SURFCAM… …
76Phonograph — Turntable redirects here. For other uses, see Turntable (disambiguation). Edison cylinder phonograph ca. 1899 …
77Rivet — A rivet is a mechanical fastener. Before it is installed it consists of a smooth cylindrical shaft with a head on one end. The end opposite the head is called the buck tail. On installation the rivet is placed in a pre drilled hole. Then the tail …
78Dragunov sniper rifle — SVD (Dragunov) Current production SVD with synthetic furniture. Type Sniper rifle, designated marksman rifle Place …
79Lee-Enfield — This article is about the early twentieth century British rifle. For other uses, see Enfield rifle (disambiguation). Lee Enfield Short Magazine Lee Enfield No. 1 Mk. III Type …
80Portsmouth Block Mills — The Portsmouth Block Mills form part of the Portsmouth Dockyard at Portsmouth, Hampshire, England, and were built during the Napoleonic Wars to supply the British Royal Navy with pulley blocks. They started the age of mass production using all… …
