In addition to normal maintenance NK-172 also received a new engine and propeller.

Keeping the time machine in repair, that would be normal maintenance.

Owners will remain responsible for oil changes, lubrication and other normal maintenance.

The station had been designed to last for 30 years with normal maintenance, but was in very poor shape by 1985.

They have not had what anyone could possibly term normal usage, or even normal maintenance.

I'm not looking for maid service, but normal maintenance.

No great stories, just the normal maintenance of my drives.

"We try to do upkeep as normal maintenance, but the visitors' centers have priority."

It was normal maintenance for his 36-year-old body - or is it 40?

"A temporary bridge like this can probably last with normal maintenance for years and years," he said.