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Apart from science, Shenzhen's enterprises have also played an active role in the process. Electric car maker BYD quickly shifted to the production of masks as the coronavirus spread like wildfire. The company managed to produce 5 million masks a day within a 24-day span, making it one of the world's largest suppliers.

Antibiotics have long been used to kill harmful bacteria in both animals and people. But the continued overuse of the drugs has led to the serious problem of resistance. The European Union decided in 2006 to eliminate antibiotic growth promoters from animal feed and China has announced that it will follow suit starting from next year.

Apologizing to passengers for the "serious" and "rare" accident, Lau said the derailed train and its detached compartments will be towed back to the maintenance depot for an in-depth inspection. In the meantime, rail tracks and nearby facilities will also be thoroughly checked, Lau added.

Apparent consumption of refined oil amounted to 153.86 million tons, down 6 percent year-on-year.

Apolong buses coming off the production line in Xiamen, Fujian province. [Photo by Chen Bingqing/for China Daily]