????????????????????????????????????????????????????????????????????????? ?????????????????????? Lysaght ?????????????????????????????????????? ????????????????????????????? ???????????? ??????????????????? ????????????????????????????? ??????????????????????? ????????????????? ??????????? ?????????????? Ly
เเอลกอฮอล์ (Alcohol) เเบ่งประเภทตามการใช้งานกี่ชนิด
?????????????????????????????????? ????????? ???? ?????????????? (Ethyl Alcohol) ?????????????????????????????????????????????????????????????????????? ???? ????????? ??????????????????????? ?????????????????????????????????????????????????????????????????????????????????????????????? ???? ???????????????? ????????????????????