The Bali police are still examining materials which are believed for a home-made bomb which went off on a parking lot of restaurant Kak Man on Teuku Umar St. Denpasar on Sunday, ANTARA reported. The materials includes cement, lime, wire, aluminum foil and carton, Spokesman for the Bali provincial police Senior Commissioner AS Rainiban said here Sunday. The police are also examining an electronic object expected as a damaged radio set, he said, adding that a provisional finding showed the objects were not materials for explosives.