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[–] 3 points 11 months ago

By ignoring the second half of their comment you've missed the subtly that "panel" is an overly broad term and there are several different kinds of panels that collect energy from the sun for human use, among them photovoltaics, panels for heating residential water (often seen as black roof panels with pipes), and complex mirror (aka reflective panels) arrangements for melting salts. All of them use panels in some form.

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