ตู้อบพลังงานแสงอาทิตย์

 

https://ppp.energy.go.th/%e0%b9%81%e0%b8%9a%e0%b8%9a%e0%b9%82%e0%b8%a3%e0%b8%87%e0%b8%ad%e0%b8%9a%e0%b9%81%e0%b8%ab%e0%b9%89%e0%b8%87_%e0%b8%9e%e0%b8%9e-1-3/