Matanda emwenje emumugwagwa anouya muhurefu hwakasiyana, maumbirwo uye masitayera uye akagadzirirwa zvinangwa zvakasiyana. Hurefu hwezvigadziko zvemwenje zvinoshandiswa kuvhenekera mumigwagwa yeruzhinji hunogona kubva pamamita masere kusvika pamakumi mashanu...
Solar panels zvishandiso zvinotora chiedza chezuva uye zvinoshandura solar radiation simba zvakananga kana zvisina kunanga kuita magetsi kuburikidza nephotoelectric kana photochemical effects. Chinhu chikuru che mo...