2- Transportation: oil and alcohol, acid and alkali, glycol and coolant.
3- lndustrial pressurization: cleaning system, high pressure washing system, fire protection system,
car dleaning.
4- Industrial liquid transportation: cooling and air conditioning systems, boiling water supply and condensing systems, andmachine tools.
5- Water treatment: filtration system, reverse osmosis system, distillation system, separator, swimming pool.