Conclusion: Chronic exposure to dust due to stone quarrying may increase the risk . Majority of the workers were stone breakers 40.0 and loaders 30.3 . The study in Iran16 reported irritative cough in 75 of the respondents, while that.
18.104.22.168 Factors controlling armourstone shape during quarry production . . certain rate of materials supply eg of armour stones or concrete units and the specific client . breaker, to help manoeuvre them into the waste piles. . Qeshm, Iran.
In mountain region of the Hyrcanian forests of IRIran, road building is difficult due . of 3 m h1 with 2 hammers were used for rock breaking Asmarandei and Cazan, . AG are highly expansive powder compositions for stone breaking, non toxic . Analytic hierarchy process helps select site for limestone quarry expansion in.