pneumatic wedge
1Pneumatic motor — The Victor Tatin airplane of 1879 used a compressed air engine for propulsion. Original craft, at Musée de l Air et de l Espace …
2pneumatic device — Any of various tools and instruments that generate and use compressed air. Examples include rock drills, pavement breakers, riveters, forging presses, paint sprayers, blast cleaners, and atomizers. Compressed air power is flexible, economical,… …
3Pneumatic pile — Pile Pile, n. [AS. p[=i]l arrow, stake, L. pilum javelin; but cf. also L. pila pillar.] 1. A large stake, or piece of timber, pointed and driven into the earth, as at the bottom of a river, or in a harbor where the ground is soft, for the support …
4Robot combat — Not to be confused with Military robots. A spinner type robot attacks Robot combat is a hobby/sport in which two or more custom built machines use varied methods of destroying or disabling the other. As of today, in most cases these machines are… …
5Bicycle brake systems — are used to slow down, or brake a bicycle. There have been various types through history, and several are still in use today.HistoryEarly bicycles such as the high wheeled penny farthing bikes were fitted with spoon brakes. As they were fixed… …
6Bone — is the substance that forms the skeleton of the body. It is composed chiefly of calcium phosphate and calcium carbonate. It also serves as a storage area for calcium, playing a large role in calcium balance in the blood. The 206 bones in the body …
7tunnels 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 …
8fluidics — fluidic, adj. /flooh id iks/, n. (used with a sing. v.) the technology dealing with the use of a flowing liquid or gas in various devices, esp. controls, to perform functions usually performed by an electric current in electronic devices. Also… …
9Achalasia — Classification and external resources A CXR showing achalasia ( arrows point to the outline of the massively dilated esophagus ) ICD 10 K …
10mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …
