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As Chinese classrooms turn digital, chalk seems out of the picture.
Areas with centralized supply should stick to the established water treatment standards, while for regions where smaller projects are prevalent, safe drinking water should be free from visible impurities and won't cause health issues if consumed over the long run.
Aref and Varrastro also diverged on whether there was enough support in place at the time.
As China is transitioning from high-speed growth to high-quality growth, they expect to see an increase in steady economic performance.
As China's economic drivers, internet, automobile and new technologies like artificial intelligence and big data will continue to be the hotspot for R&D spending, said Xu Huchu, managing director of PwC Strategy & in China.
