Solar Evacuated Tube Vacuum Tubes DIY Test in the Sun
68 بار بازدید -
7 سال پیش
-
Solar Evacuated DIY solar tubes.
Solar Evacuated DIY solar tubes. This is part 2 of the Solar Tubes with a control bottle and sun exposure. My website link for the results and videos are http://www.greenpowerscience.com/SOLARTUBE.html
7 سال پیش
در تاریخ 1396/04/25 منتشر شده
است.
68
بـار بازدید شده