???????????????????????? ??????? ???????????????????????? ???? ????????????? ???????????????????????????????? ??????????????????????????? ??????????????????????????????????????????????????????????????? ?????????????????????????? ??????????????????????????????????????????????????????????????????????????????????????????????????????????????
ก่อนตัดสินใจซื้ออุปกรณ์เซฟตี้ในโรงงาน ก่อนปฏิบัติงานควรคำนึงถึงปัจจัยใดบ้าง
????????????? ??????? ????????????? ( PPE : Personal Protective Equipment ) ??? ???????????????????????????????????????????????????????????????????????????????????????????????? ?????????????????????????? ?????????????????????????????????????????????? ???????????????????????????????????????? ??????????????????????????