electric arc welding machine
11building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
12P&H Mining — Equipment Inc. Type Subsidiary (Parent: Joy Global) Industry Mining Founded in 1884 Headquarters …
13Auguste de Méritens — de Méritens lighthouse generator Baron Auguste de Méritens was a French electrical engineer of the 19th century. He was born in 1834 …
14NAVSCIATTS — Infobox Military Unit unit name=Naval Small Craft Instruction and Technical Training School caption=NAVSCIATTS insignia dates= June 1969 country= United States allegiance= branch= United States Navy type= Special Operations training role=… …
15Naval Small Craft Instruction and Technical Training School — NAVSCIATTS insignia Active June 1969 Country United States Bra …
16German pocket battleship Admiral Graf Spee — The Admiral Graf Spee was one of the most famous German naval warships of World War II, along with the Bismarck . Her size was limited to that of a cruiser by the Treaty of Versailles, however she was as heavily armed as a battleship due to… …
17steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …
18metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
19Metalworking — Machining a bar of metal on a lathe. Metalworking is the process of working with metals to create individual parts, assemblies, or large scale structures. The term covers a wide range of work from large ships and bridges to precise engine parts… …
20Timeline of Russian inventions and technology records — The Hall of Space Technology in the Tsiolkovsky State Museum of the History of Cosmonautics, Kaluga, Russia. The exhibition includes the models and replicas of the following Russian inventions: the first satellite, Sputnik 1 (a ball under the… …
