BOWL CUTTER是什么?

BOWL CUTTER是什么?
请问BOWL CUTTER是什么东西?能不能具体的用中文解释一下它是什么东西,怎么使用啊?因为我要翻译一些关于这个的英语.
请赐教.
1.ENSURE THE BOWL CUTTER IS TURNED OFF AT SUPPLY.
2.OPEN MACHINE ENSURING ALL PARTS ARE OPERATIONAL AND IN TIGHT CORRECT POSITION.
3.LOCK MACHINE AND TURN POWER SUPPLY ON.
4.TURN ON THE MACHINE AND LOAD SLOWLY AND EVENLY,DO NOT OVERLOAD.
5.WHEN OPERATION IS COMPLETED,TURN OFF THE POWER AT SUPPLY AND MACHINE
6.OPEN PROTECTIVE GUARD AND REMOVE THE BLADES.
7.REMOVE NOW THE FOOD PRODUCT.
8.DISMANTLE AND CLEAN BOWL CUTTER AND SURROUNDING RIGHT AWAY AFTER USE.
9.WHEN CLEAN,REPLACE AND SECURE ALL PARTS.DO NOT TURN THE POWER BACK ON.