When treating metal materials in heavy industry dangerous dusts and gases are spread into the air and negatively influence workers´health. Besides , deposited dust and gas in workshops and production halls malfunctions machines and equipment. By installing appropriate filtration and the extraction system to welding, cutting, grinding, drilling , milling, lubrication processes , you can improve the environment and at the same time you can keep your production machines clean. This is the way how to extend their lifetime.