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While not the most technology advanced use, I think this stuff could make for a great solar powered water heater.
by WizardAustralis 7y ago
While not the most technology advanced use, I think this stuff could make for a great solar powered water heater.
- agumonkey 7y agoVery important these days. Depending on full cost of this material.
- tedunangst 7y agoAre the incremental improvements over regular black paint meaningful?