1.with mortor handle wheel,it can be both hand operated and motor driven 2.adjustable knives,easily operated,use and maintance Ice Shaving Machine/Ice Shaver1. with mortor handle wheel, it can be both hand operated and motor driven . 2.heavy duty, highly qualitified food safty3.adjustable knives , easy for operated ,use and maintance.4.widly used in family,hotel, restaurant,school....etc.5.colour ...