jonka Juhyung Kim 5 vuotta sitten
466
Lisää tämän kaltaisia
luonut Jim Walker
luonut Rebecca Steinke
luonut Alejandra Carvajal
luonut Lizeth Durán
intermittent
low operating cost
Doesn't work for every roof type
Lower your electric bill
Some adverse environmental impact
Renewable source of energy
high level radiation
high load factor