Lots of attention is turned to prevention of safety as the another static trouble is also electrical shock. Many companies attend to it very much. It causes hazardous conditions as fire or explosion. It can also negatively influence personnel. However, usually it is not dangerous. The effect is short-time and supplies unpleasant feelings only. A real danger, going out from the static discharges, exists in the industry of coating and in the similar areas, where combustible solvents are used.