reversible hydraulic drive
11tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
12cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …
13Drum Motor — A Drum Motor (sometimes referred to as a motorised pulley) is in simplistic terms a highly efficient geared motor drive enclosed within a steel shell providing a single component driving pulley for conveyor belts. Drum Motor with Planitory Gear …
14Vincent Motorcycles — Infobox Defunct Company company name = Vincent HRD Co., Ltd company fate = bankrupt successor = Vincent Motors USA (1998) foundation = 1928 defunct = 1959 location = Stevenage, UK industry = manufacturing and engineering key people = Phil Vincent …
15Energy — This article is about the scalar physical quantity. For other uses, see Energy (disambiguation). Energetic redirects here. For other uses, see Energetic (disambiguation) …
16Cadillac Sedan de Ville — deVille and De Ville redirect here. For other uses, see Deville. Cadillac de Ville Manufacturer General Motors Production 1949–2005 …
17Two-stroke engine — Brons two stroke V8 Diesel engine driving a Heemaf generator. A two stroke engine is an internal combustion engine that completes the process cycle in one revolution of the crankshaft (an up stroke and a down stroke of the piston, compared to… …
18Batmobile — For the psychobilly group, see Batmobile (band). For the European Touring Car Championship racing car of the 1970s, see BMW E9. Batmobile An early depiction of the Batmobile. Publication information …
19Escalator — For the album by Sam Gopal, see Escalator (album). Escalators in a Copenhagen Metro station, Denmark, 2007 Escalator in action, 2011 An e …
20Dream — For other uses, see Dream (disambiguation). The Knight s Dream , 1655, by Antonio de Pereda Dreams are successions of images, ideas, emotions, and sensations that occur involuntarily in the mind during certain stages of sleep …
