1. IPA 0 x 1 = 0
2. Ethanol 0 x 1 = 0
3. Caustic soda 0 x 1 = 0
4. Toluen 0 x 1 = 0 Total: 0 đ
0908510690 
0908510690
4 1. IPA 0 x 1 = 0 2. Ethanol 0 x 1 = 0 3. Caustic soda 0 x 1 = 0 4. Toluen 0 x 1 = 0
1. IPA 0 x 1 = 0 2. Ethanol 0 x 1 = 0 3. Caustic soda 0 x 1 = 0 4. Toluen 0 x 1 = 0