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Self cleaning cup / elf cleaning cup

Self cleaning cup

Many people will discover that the tooth glass
bottom panel is very difficult to be clean, these
issues, I give my solution. The base of cup is
the transparent soft nature material. When the
glass arrives when by glass wall support use,
athe volunteer fire brigade opens the base of cup,
in our clean, needs to make the endophragm
friction thus wash away the sully with the hand friction outer wal


East China jiaotong university

East China jiaotong university
Jiangxi Nanchang, China