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A comment on After many false starts, hydrogen power might now bear fruit. Parent comment

Re:After many false starts, hydrogen power might now bear fruit by econcon on Sunday July 05, 2020 @05:01AM (#23737457)
You can a have a quadcopter drone clean every panel with a soft brush/microfiber cloth and return to base at recharging station and repeat.

Have a swarm of these and cleaning will not be an issue.

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