case study on stone crusher worker
Noise Assessment of Stone/Aggregate Mines: Six Case Studiess u r v e ~ h g stone (aggregate) &ing and crushing and . qf equipment sound levels and worker nobe exposures in .. Worker exposure, case study No. 1.case study on stone crusher worker,Comprehensive Industry Document Stone Crushers - CPCB ENVISEngineer for co-ordinating the study / finalizing this document under the guidance of Shri. J. S. Kamyotra .. In most cases the Stone Crushers come up in clusters of .. Typically a team of about 15-20 workers does breaking throughout the day.Pulmonary Function Test in Stone Crusher Plant Workersto study the pulmonary function test in stone crusher workers. This study was .. FVC/FEV1 and PEFR between cases and controls. On statistical analysis of.