https://www.youtube.com/watch?v=j7Woz-8l1Xc
Authorities in China have resorted to using remote-control operated mini tanks to disinfect city streets amid the deadly coronavirus outbreak that’s sickened over 70,500 in the country and killed at least 1,770. The tank, which was developed by Shanxi Tianyi Technology Co. Ltd., was originally designed to disinfect prisons and can cover up to 540,000 square feet in just an hour, according to AsiaWire.
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http://rswahili.com/fox/mini-tanks-deployed-to-disinfect-coronavirus-hit-areas-in-china/