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In daily life ,spitting everywhere is forbidden. However ,it is uncomfortable when people suddenly find that they have sputum in throat. Now ,people can take advantage of the handkerchief by swirl and fold it and keep the sputum into it for temporary in public places. Then throw it into garbage can. It is convenient ,fast and sanitation.
Art & Design college
Liu Chenming Fu Lin Shi Ran Xu Qiuying