carpet has a rough surface
rough has not more_texture_than_smooth carpeting is not one_type_of_surface. acoustic_ceiling has not rough_surface rough_sawn_board is raw_materials. acoustic_ceiling has rough_surface carpeting is one_type_of_surface. rough has more_texture_than_smooth rough_sawn_board is not raw_materials. carpet is not floor_covering. carpet is floor_covering.