IDENTIFIKASI BAHAYA DAN PENILAIAN RISIKO OPERATOR MESIN
Population in this research is all grinding machine operator at PT BangunSarana Baja Gresik which are 60 operators The sample of this research is as much as 20 grinding machine operatorsfabrication unit of PT Bangun Sarana Baja Gresik with purposive sampling identification on the grinding process such as falling material