wood boards are made of wood
stake_made_of_wood is woodwork. other_boards_made_of_wood is ironing_boards_and_surf_boards. artifact_made_of_wood is woodwork. board is lumber. board is piece_of_wood. board is flat_piece_of_wood. other_boards_made_of_wood is not ironing_boards_and_surf_boards. wood_paneling is woodwork. stake_made_of_wood is not woodwork.