english: He joined up with his sister who is an architect, and they have this business, and they present the roof tile to a person who is doing development and say, "You can buy it for the cost of just the roof tile without the solar."
non_english: Mimar olan kardeşi ile birlikte bu işi kurdular ve çatı kiremitini, imar çalışması  yapan bir kişiye gösterip "Bunu güneş pili olmayan bir kiremitin  maliyetine alabilirsin."