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A funnel having a buffering function, the funnel and plastic head dropper combination can reduce waste; can also increase the pressure, so that the liquid flows into the container solids easier.
Guangzhou Academy of Fine Arts
Guangzhou, China
Zanwen LI,
Guangzhou Academy of Fine Arts
Shi Luo,
Guangzhou Academy of Fine Arts
Jianxiang Lin,
Guangzhou Academy of Fine Arts
Fan Lin,
Guangzhou Academy of Fine Arts