Grain elevators are composed of groups of grain silos, such as these at Port Giles, South Australia.
Silos in Acatlán, Hidalgo, Mexico
Concrete stave silo under construction in 2015
Grain entrapment
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Grain entrapment, or grain engulfment, occurs when a person becomes submerged in grain and cannot get out without assistance. It most frequently occurs in grain bins and other storage facilities such
Silo
…ensure an even flow of grain out of the silo. Sometimes unstable pockets in the grain will collapse beneath the worker doing the walking; this is called grain entrapment as the worker can be completely sunk into the grain within seconds. Entrapment can also occur in moving grain, or when workers clear large clumps of…
U.S. Occupational Safety and Health Administration illustration of grain entrapment
Most entrapments occur in grain bins similar to these.
Most recorded grain entrapments have occurred in corn.