Work associated with the processing of various materials, their grinding, nawiercaniem, polishing or even rozrabianiem mixtures most often associated with dust emissions. In some industries, workers are also subjected to fumes or vapors that may adversely affect the human body. In such a situation it is necessary to apply special protective masks that will trap dust, dust, including the so-called dust suspended, that is small particles floating in the air so that harmful substances, preventing their getting into the human respiratory tract. In most cases, be sufficient półmaski so-called protective, that is, masks that protect the nose, the lower part of the cheeks and lips. Very good idea is to use simultaneously with them goggles, if there is a risk the invitations, injury or irritation of the eye. When choosing a specific model of protective mask, you should pay attention to its filter class (it determines what size particles will be stopped on the surface of the material), as well as necessary for a particular type of work type masks (often filter or filtrująco-absorbing).