Determination of Exposure to Respirable Quartz in the Stone .The particles emission by traditional units is greater than modern stone crusher factories. There are about 50 traditional stone crusher units in Iran and 29.there are mainly traditional stone crushing units in peshawar,Comprehensive Industry Document Stone Crushers - CPCBThe Comprehensive Industry Document on Stone Crushers is latest among . Control Boards, the Stone Crushing Units and their Association during the Study is ... The medium size stone crusher mostly have their own open-cast mines.
there are mainly traditional stone crushing units in peshawar