rust-eaten metal

Its engine sputtered, popped and backfired, but the vehicle might have been a shiny new Cadillac from the way folks were rubbing the rust-eaten metal.

About the little church, with its shell-shattered windows, lies the cemetery, with its mossy tombstones and rust-eaten metal crosses.

It would be best to descend into the valley and cross there because as far as he could see the other bridges were also choked with rust-eaten metal.

Only a few odd bits of rust-eaten metal and broken glass that he dropped where he found them, because they would have been too hard to explain at room check.