7. Water treatment: lime milk, soft sediments, sewage, chemicals, waste water.
8. The food industry: liquid semi-solid, chocolate, salt water, vinegar, syrup, vegetable oil, soybean oil, honey, animal blood.
9. Beverage industry: yeast, sugar syrup, concentrations, gas-liquid mixture, wine, fruit juice, corn pulp, etc.
10. Pharmaceutical industry: solvents, acids, alkalis, plant extract liquid, cream, plasma and other liquid drugs.
11.