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This is new type plunger.It’s consist of big
Plunger body is connected to stick and there are connection part in stick which connect stick and shield. Handle is connected to stick, You just pull out handle when you use it.
Big air ball in pump body help to compress air in that plunger. and It’s shield is useful for hide plunger when we don’t use it. and prevent water from being splashed to users. and handle also is unfold just when you use it.
Ulsan National Institute of Science and Technology
Ulsan, South Korea
Ulsan National Institute of Science and Technology
Ulasn, South Korea
Juntae Kim
Hwayeong Kang
Doyoung Lee