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 * 1) k5engr


 * [|Alternating current] || [|Amplifier] || [|Automated teller machine] computerized telecommunications device that enables the clients of a financial institution to perform financial transactions without the need for a cashier, human clerk or bank teller. ||
 * [|Axe]an implement that has been used for millennia to shape, split and cut wood; to harvest timber; as a weapon;|| [|Binoculars] two identical telescopes mounted side-by-side and aligned to point accurately in the same direction, allowing the viewer to use both eyes ( binocular vision) when viewing distant objects. || [|Biodiesel] a vegetable oil- or animal fat-based diesel fuel
 * [|BlackBerry] || [|Bluetooth] || [|Bridge]a structure built to span physical obstacles such as a body of water, valley, or road, for the purpose of providing passage over the obstacle. ||
 * [|Button] a small fastener, most commonly made of plastic, but also frequently of seashell, which secures two pieces of fabric together || [|Canal] || [|Channel Tunnel] ||
 * [|Chepstow Railway Bridge] || [|Chernobyl disaster] || [|Civil engineering] ||
 * [|Clifton Suspension Bridge] || [|Clock] || [|Contact lens] ||
 * [|Corrosion] || [|Crash test dummy] || [|Dam] ||
 * [|Damascus steel] || [|Eifel Aqueduct] || [|Electrical engineering] ||
 * [|Electron beam welding] || [|Electronics] || [|Engineering] ||
 * [|Enigma machine] || [|Eurostar] || [|Falkirk Wheel] ||
 * [|Forth Bridge] || [|Forth Road Bridge] || [|Gas metal arc welding] ||
 * [|Gas tungsten arc welding] || [|Glass fiber] || [|Glasses] ||
 * [|Great Western Railway] || [|Hawk-Eye] || [|Hoover Dam] ||
 * [|Hovercraft] || [|International Space Station] || [|Jet engine] ||
 * [|Krag-Jørgensen] || [|Lightning rod] || [|London Underground] ||
 * [|London sewerage system] || [|Materials science] || [|Mechanical engineering] ||
 * [|Metallurgy] || [|Microscope] || [|Mobile phone] ||
 * [|Network Rail] || [|Nuclear power] || [|Optical fiber] ||
 * [|Optical microscope] || [|Optical telescope] || [|Parachute] ||
 * [|Phonograph cylinder] || [|Photovoltaic array] || [|Pump] ||
 * [|Radar] || [|Radio] || [|Radio telescope] ||
 * [|Rail transport in India] || [|Screw] || [|Semiconductor device] ||
 * [|Shielded metal arc welding] || [|Ship] || [|Space Shuttle Challenger disaster] ||
 * [|Space Shuttle Columbia disaster] || [|Space exploration] || [|Steam engine] ||
 * [|Telecommunication] || [|Telephone] || [|Telephone exchange] ||
 * [|Telescope] || [|Television] || [|Three Gorges Dam] ||
 * [|Three Mile Island accident] || [|Tower Bridge] || [|Transport] ||
 * [|Typewriter] || [|Watch] || [|Weapon] ||
 * [|Welding] || [|Wheel] || [|Wood] ||
 * [|Woodworking] || [|Wrench] || [|iPod] ||
 * [|iTunes] ||
 * [|iTunes] ||