関連ワード:
write two uses of convex lens in daily life state two uses of convex lens in daily life write two uses of concave lens in daily life write two uses of concave and convex lens in daily life write two uses of concave and convex lenses in daily life write any two applications uses of convex lens in daily life write any two applications of concave lens in daily life write two uses each of concave and convex lens in daily life write two uses each of concave and convex lenses in daily life write any two uses of concave mirrors in our daily life
