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Cart from 16th century, found in Transylvania A dumper minecart used in the Basque Country, currently at the Minery Museum.. A minecart, mine cart, or mine car (or more rarely mine trolley or mine hutch) is a type of rolling stock found on a mine railway, used for transporting ore and materials procured in the process of traditional mining.
A wooden hopper for grain, on a millstone. Materials can be added either manually or automatically to the top of a hopper. For dust collection, it enters the hopper from a collection device. For example, baghouses are shaken or blown with compressed air to release caked-on dust from the bag. Precipitators use a rapping system to release the dirt.
OnTrac Logistics, Inc., was a privately held logistics company that contracted regional shipping services in the Western United States.In 2021, OnTrac Logistics was acquired by East Coast delivery firm LaserShip for $1.3 billion; the combined business's branding was later reverted to OnTrac.
A hopper car (NAm) or hopper wagon (UIC) is a type of railroad freight car that has opening doors or gates on the underside or on the sides to discharge its cargo. They are used to transport loose solid bulk commodities such as coal , ore , grain , and track ballast .
In these systems, individual cars or trains within the mine could be connected to the cable by a grip comparable to the grips used on surface cable car systems. [30] In some mines, the haulage chain or cable went over the top of the cars, and cars were released automatically when the chain or cable was lifted away by an overhead pulley.
Department: Bureau of Criminal Identification and Information, California Department of Justice. Function: Enterprise system that stores records about persons including fingerprints and criminal history information. Details: System is designed to reveal minimal information about a query unless the person making the query asks for more details.
Grain hopper trailer. A grain hopper trailer is a trailer pulled by a semi tractor and used to haul bulk commodity products, such as grain.These trailers are used extensively throughout the United States to transport agricultural products as well as any other commodity that can be hauled in bulk and loaded and unloaded through the trailer.
Rapping systems are designed primarily based on two factors, the internal suspension system and the number of surfaces affected by the rapping vibrations. Pneumatic rappers apply the greatest shock. The materials and design of a rapper system must be able to withstand high energy forces.