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The health candle nail / Nail

The health candle nail
The health candle nail

In view of the wax oil may drop on the cake,which makes
people feel uncomforbable when people burn candles to
celebrate.We can not burn candles totally to celebrate
cause of health,so lots of candles are wasted.Based on
this two problems,”the healthful candle nail”is designed.

University

Ningbo University of Technology

Ningbo University of Technology
Ningbo, China

Yifei Wang,
Ningbo University of Technology