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Any Angle Spray
When ordinary spray bottle upside down or tilt, spit out liquid will be very hard. The spray bottle with a buoyancy ball at the bottom of the straw, to ensure water gushed in any Angle.
DAIJINGXIA
Ningbo, China
JINGXIA DAI,
College of Science & Technology Ningbo University
JIAHUAN ZHU,
College of Science & Technology Ningbo University
CHENGSI CAI ,
College of Science & Technology Ningbo University
LINGLI CAI,
College of Science & Technology Ningbo University