become worn

Should the heel become worn out, apply tar or pitch, and singe with a hot iron.

But the needs change as time goes on, and moral codes must then also change or they become worn-out and useless.

If our boots become worn, want tapping, they are sent to the cobbler.

On the way the wolf happened to notice that some hair was worn off the dog's neck, and he said, "How did the hair become worn?"

When the upper carbon sheet has become worn out, it should be torn out and the second carbon sheet used instead.