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© 2019 AFPA squeaky clean: friendly robots spruce up Singapore
By Roslan RAHMAN SINGAPORE©2024 GPlusMedia Inc.
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© 2019 AFP
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Halwick
Under what circumstances to the "eyes" turn from green to red? Those red "eyes" look unfriendly to me.
JeffLee
I wonder how effective they are. If they can remove stains and hard-packed grunge, that would be quite something.