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DavidB4-bot

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RJJensen

Reverted edits by ETrundel (Talk) to last version by RJJensen

ETrundel

See below

RJJensen

art

RJJensen

material from govt is not copyright

ETrundel

Plagarised

GregLarson

und

Aschlafly

New page: A solar thermal collector is a device designed to receive solar radiation and convert it to thermal energy. Normally, a solar thermal collector includes a frame, glazing, and an absorber, ...