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This product is a pressed bottle water/bubbles gun,it was joined by used pressed bottle and some components.It retains the original features of the bottle.Whole gun comprises five parts: a monitor nozzle,a bubbles nozzle,a used bottle,a elastic band,and a handle.The handle comprises pressure valve,rubber pneumatic bag,and two check valves.This design could save the material of the bottle,and recycle the pressed bottle.
Hunan University of Science and Technology