?????? ??????? ?????? ??? ?????????????????????????????? ?????????????????????? ? ??????????????????????????????? ?????????????????????????????????????????????????????????????????????????????????????????? ????????????????????????????????????????????????????????????????????????????????????????????? 3 ??? ???????????????????? ???
เเอลกอฮอล์ (Alcohol) เเบ่งประเภทตามการใช้งานกี่ชนิด
?????????????????????????????????? ????????? ???? ?????????????? (Ethyl Alcohol) ?????????????????????????????????????????????????????????????????????? ???? ????????? ??????????????????????? ?????????????????????????????????????????????????????????????????????????????????????????????? ???? ???????????????? ????????????????????