tech

A squeaky clean: friendly robots spruce up Singapore

5 Comments
By Roslan RAHMAN

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© 2019 AFP

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5 Comments
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Under what circumstances to the "eyes" turn from green to red? Those red "eyes" look unfriendly to me.

2 ( +2 / -0 )

I wonder how effective they are. If they can remove stains and hard-packed grunge, that would be quite something.

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