???????????????????????????????????????????????????????????????????????????????????????? ??????????????????????????????? ????????????????????????????????? ?????????????????? ????????????????????????? ????????????????????????????????????????????????????????? ???????????????????????????????? 2014 ???????????????????????????????????????????
เเอลกอฮอล์ (Alcohol) เเบ่งประเภทตามการใช้งานกี่ชนิด
?????????????????????????????????? ????????? ???? ?????????????? (Ethyl Alcohol) ?????????????????????????????????????????????????????????????????????? ???? ????????? ??????????????????????? ?????????????????????????????????????????????????????????????????????????????????????????????? ???? ???????????????? ????????????????????