Старинна руска печка с легло отгоре

У Cork bark, which can be harvested sustainably every nine years, can also be ground up and used as insulation.

https://www.thecooldown.com/green-home/cork-bark-tree-insulation-alternative-homeowner-fiberglass/

Y Yes, You Can Make Your Own Solar Panels

https://www.cnet.com/home/energy-and-utilities/how-to-make-a-solar-panel/

Facebook В процес на работа,проект за пейка.Дъб,моторен трион+,горелка,пирограф

https://www.facebook.com/photo/?fbid=968450511266601&set=gm.6272407676159035&idorvanity=1268354569897729

моторен трион+, горелка, пирограф