| 摘要 |
A spraying machine comprised of a suspended frame shaped like an inverted ~ U~ which is lowered to an appropriate height, according to the stock to be sprayed. On each leg of the inverted U is at least one spray nozzle. To trigger the nozzle, at least one motion detector detects the presence of an animal passing through the inverted ~U~ and a pump creates the necessary pressure to propel a liquid taken from a tank.
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