... (Color optional) , then processed with molding technology. 2, table bodyAdopt double-veneer, high pressure board , the ... equipment:Adopt teaching safety main power, with control drawer, AC and DC current of low voltage. The ... draught fan,also the total electricity power used for students( DC 2-24V, AC 220V). 4, water ... plastic, 6.5# rate adustable centrifugal fan (power:5.5KW, n=0~1450/min, blowing rage ...