We usually only know about Pneumatic tubes and piping because they are highly publicized by the Pneumatic Products Manufacturer but there are many other products that you can make use of. Pneumatic is operated by air and gas pressure and such tubing can be replaced by tubes which we are discussing below.
https://www.academia.edu/40072189/Pneumatic_Products_Manufacturer_Some_Lesser_Known_Facts_About_Tubing_Materials_You_Must_Know
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