Before the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) was created and implemented, there were many different regulations on hazard classification in use in different countries, resulting in multiple standards, classifications and labels for the same hazard.
Pneumatics Vs Hydraulics. The pros and cons of each system. Pneumatics offer a very clean system, suitable for food manufacturing processes and other processes which require no risk of contamination. Hydraulics is generally not used in these environments due to the risk of hydraulic oil leaks from faulty valves, seals or burst hoses.
pneumatic. adj. 1. (General Physics) of or concerned with air, gases, or wind. Compare hydraulic. 2. (Mechanical Engineering) (of a machine or device) operated by compressed air or by a vacuum: a pneumatic drill; pneumatic brakes. 3. (Automotive Engineering) containing compressed air: a pneumatic tyre. 4. (General Physics) of or concerned with pneumatics. 5.