Apparel requirement
Wear proper apparel. Don't wear jewels and neckties etc.Wear face mask and protective goggles that accord with safety standard.

Working environments
Don't use machine indamp environment.Kep working area well lighted.Don't use tool in presence of flam mable and explosive materials.Keep working area clean.Keep children away from working area.

Tools maintenance
Maintain machine regularly.Always keep machine in proper place.Never pull out cable plug when machine operates.Replace timely worn or damaged electirc brush.Remove timely dusts, small pieces and etc.Repair tool by a qualified worker. More>>