What is "overhauls"

Usage examples of "overhauls".

During teardown, we found a lot of corrosion, so the paper on the overseas overhauls was probably faked.

But if it is only a boatload that overhauls us I would try to beat them off before giving up a craft in which I had a share.

In the days of independent flight, Soviet space efforts were marked by unexpected changes of schedule, by significant fast-priority overhauls and in some cases major engineering transformations of supposedly finalized equipment.

Penney overhauls and made-in-America red-and-black-checked flannel shirts or T-shirts with a pack of cigarettes rolled up in the sleeve.