The robots were sent to help prevent and control a pandemic at the Wukesung Sports Center, where an ice hockey competition will be held, for the upcoming Winter Olympics, the Chinese Media Group (CMG) reports.

By spraying atomized fog on the ground, the disinfection robot can disinfect as much as 36 square meters in one minute. The battery can last four to five hours.

For smaller areas, the robot disinfects with ultraviolet rays, which are said to be more efficient.

Another robot has a device for non-contact hand disinfection on its head, and it can also recognize people who do not wear masks and warn them.

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