sand roll

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sandbath, sand roll

a stall covered with deep sand used for horses to roll in after exercise.
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Equipment made by the company includes vibrating sieves, sand screens, grain hullers and paddy chaff separators, brown rice separators, thickness graders, vertical sand roll millers, vertical iron roll millers, rice polishers, rice grading screens, length graders, colour sorting machines, semi-automatic measurement packaging machines, large size dryers and super low-speed scoop lifters.
Sea lions snoozing on the sand roll their eyes lazily when you pass close by, then go back to sleep.