high-strength motor case
51List of Historic Mechanical Engineering Landmarks — The following is a list of Historic Mechanical Engineering Landmarks as designated by the American Society of Mechanical Engineers since it began the program in 1971. The designation is granted to existing artifacts or systems representing a… …
52Archery — competition in West Germany in the early 1980s …
53Sewage treatment — The objective of sewage treatment is to produce a disposable effluent without causing harm to the surrounding environment, and also prevent pollution.[1] Sewage treatment, or domestic wastewater treatment, is the process of removing contaminants… …
54Aircraft engine — An aircraft engine is a propulsion system for an aircraft. Aircraft engines are almost always a type of lightweight internal combustion engine. This article is an overview of the basic types of aircraft engines and the design concepts employed in …
55Fuel injection — Fuel rail connected to the injectors that are mounted just above the intake manifold on a four cylinder engine. Fuel injection …
56Nikon FA — Controls The Nikon FA was an advanced amateur …
57Level crossing — This article is about at grade intersections between railway and road. For where two rail lines cross, see level junction. For a type of nuclear receptor (RXR), see Retinoid X receptor. A level crossing at Chertsey, England, as the barriers rise …
58T-64 — For the engine, see General Electric T64 Infobox Weapon name= T 64 caption= origin= Soviet Union type= Main battle tank is vehicle= yes is UK= yes service= 1966– used by= Soviet Union, Belarus, Russia, Ukraine, Uzbekistan wars= designer= Morozov… …
59Vauxhall Cavalier — This article is about a Vauxhall car manufactured from 1975 1995. For the Chevrolet sedan, see Chevrolet Cavalier. Not to be confused with AMC Cavalier. Vauxhall Cavalier Manufacturer Opel …
60List of screw drives — Contents 1 Common types 1.1 External types 1.1.1 Square 1.1.2 Hex …
