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(200218) -- DINGZHOU, Feb. 18, 2020 () -- Workers make face masks at the workshop of a face mask company in Dingzhou,north China's Hebei Province, Feb. 18, 2020. The company has rushed to work to ensure the supply of face masks since the novel coronavirus outbreak. (/Zhu Xudong) (KEYSTONE/XINHUA/Zhu Xudong)