tube conveyor

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• Tube chain conveyor — A tube chain conveyor is a convenient way for conveying bulk material from one location to another, and also multi axially.Tube chain conveyors are used for transporting, feeding, dosing, distributing and discharging pourable bulk materials.The… …   Wikipedia

• screw conveyor — a device for moving loose materials, consisting of a shaft with a broad, helically wound blade rotating in a tube or trough. Also called worm. * * * …   Universalium

• screw conveyor — noun : conveyer 2a(8) * * * a device for moving loose materials, consisting of a shaft with a broad, helically wound blade rotating in a tube or trough. Also called worm …   Useful english dictionary

• tunnels 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 …   Universalium

• mining — /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… …   Universalium

• Silo — A silo is a structure for storing bulk materials. Silos are used in agriculture to store grain (see grain elevators) or fermented feed known as silage. Silos are more commonly used for bulk storage of grain, coal, cement, carbon black, wood chips …   Wikipedia

• Archimedes' screw — was operated by hand and could raise water efficiently …   Wikipedia

• List of problems solved by MacGyver — This is a list of problems that have been solved by the fictional character MacGyver from the television series of the same name. (This list is not yet comprehensive.) MacGyver employs his resourcefulness and his knowledge of chemistry,… …   Wikipedia

• Water slide — This article is about the water based amusement. For decals with water soluble substrates, see Water slide decal. A collection of water slides at Wet n Wild Water World on the Gold Coast, Australia. The outer two are traditional inline tube… …   Wikipedia

• Mass balance — A mass balance (also called a material balance) is an application of conservation of mass to the analysis of physical systems. By accounting for material entering and leaving a system, mass flows can be identified which might have been unknown,… …   Wikipedia

• Check weigher — Example checkweigher. Product passes on the conveyor belt where it is weighed A checkweigher is an automatic machine for checking the weight of packaged commodities. It is normally found at the offgoing end of a production process and is used to… …   Wikipedia