Tsuas iav
Daim iav iav ntawv yog cov khoom siv zoo nkauj rau cov khoom siv dai kom zoo nkauj, cov tsev teev ntuj, mosaics, domes, teeb txawb, vaj huam sib luag thiab khoom siv tes ua. Cov neeg siv khoom muaj ntau pua xim rau kev xaiv, xim thiab loj yog xaj txiav txim.
Cov iav qhov rai thiab cov qhov rooj muaj qhov hloov tau lub zog siab dua li qhov" cov iav ntshiab" dhau ntawm lub yoj yoj qhov tseem ceeb rau photovoltaic modules. Nws' s yooj yim los ua kom tau raws li koj xav tau. Daim iav kev ua haujlwm siab no khaws cia cov duab zoo tshaj plaws los ntawm kev tshem tawm cov kev xav tsis sib xws nrog kev siv thev naus laus zis.
