Industrial Oils
Tung oil, castor oil, basic oil, all kinds of lube oils, lube oil additives, glycerin, hydraulic fluid, refined oil, craft monopoly oil, transformer oil, industrial gear oil, vegetable oil, white oil (both industrial and medical).

All kinds of non-hazardous chemical fluid (both material and finished chemicals):
Natural rubber, synthetic latex, glycol, detergents, surfactant, synthetic resin, polyether.

Food fluid:
Cooking oil, food additives, all kinds of concentrated fruit juice, wine, Chinese rice wine, sorbitol, amino acid, palm oil, soy sauce, corn oil, and aspartame.