그러나 태양 전지는 ‘라디오’, 시계, ‘텔레비전’, 영화, ‘카메라’ 등에 이미 상품화 되었으며, 시장에 나온 것들도 있다.
Nevertheless, solar cells have already been used on a commercial scale to power such things as radios, clocks, TV sets and movie cameras; and some of these appliances have been marketed.jw2019 jw2019