Some combustible materials could have ignited fires or caused blasts without flames after being imbued in water or becoming damp, Chai said.
Some traditional Wuhan dishes, such as pure cereal wine, hot-dry noodles, also known as reganmian, and rice wine have witnessed a surge in demand, while sales of imported biscuits, chocolate, dairy products and adult milk powder also are on the rise.
Some netizens commented that 21 hours is already a long time let alone 21 days, while other doubted the necessity of the challenge.
Song Yu, chief China economist with Beijing Gao Hua Securities, said, "The PBOC is reluctant to lower interest rates too much in light of rising inflation and risks of further exchange rate depreciation."
Some mainland-listed tech firms now have price-to-earnings ratios as high as more than 100, and many mutual funds targeted at tech shares were sold out on the very first day of subscription.
Some 830 confirmed cases of pneumonia caused by the novel coronavirus (2019-nCoV) had been reported in 29 provincial-level regions in the country by the end of Thursday.
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Some other cities and provincial-level regions have published similar regulations aimed at the problem.
Some established players will need to transform their business models to survive, Yin said.
Some legislators also suggested the bureau increase punishments for statistics-related violations.
Some 89 Chinese entrepreneurs became billionaires for the first time in 2017, compared with 30 entrepreneurs in the United States.