Geologic Factors of Quarrying - WA - DNRTI1e most th8t can be expected is that certain basic factors be set forth which may lead to a . l"'.lethods and the preparation of dressed and crushed stone are not dealt with, as ... The effect may be grouped as fractures and folds. Rocks in ... If a choice of stone for crushing is available, a hard tough rock will be se- lected in.the influence factors of stone crusher,Early occupational hearing loss of workers in a stone crushing industryApr 18, 2012 . Keywords: Early noise-induced hearing loss, stone crushing noise, developing country workers . NIHL is usually bilateral and symmetrical, affecting higher .. risk factor than age when considering sensorineural hearing loss.
the influence factors of stone crusher