Ferris wheel, in the case of slaughterhouses of cattle, is the air system of suspension and relocation of the bulls has own motor, so the slaughterer does not need to push the hanging beef paraque this progress.When she is mecanizaron slaughterhouses, the process room was circular in shape or square and the air system received the cattle death hanging them on a device circular shaped wheel, hence the analogy with " wheel ".
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