| electric shock. Easy to control the speed, etc. Recently, owing to the development of electric motor, the driver market with less loading has been occupied almost by electric tools. However, in the field of bolt and nut, air tool still holds unchallenged position. Also electronic controlled torque control wrench which overcame its inferior point has been developed. By cooperation with electric power tool manufacturer, disc sander with dust-collection function for FRP material has been developed too. |
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