These things can make your home look like a fixer-upper even if you think you've done a great job of periodic maintenance.

Pine is the cheapest wood, but it requires periodic maintenance.

Availability is generally used with systems that incorporate periodic maintenance.

Readiness is meaningful when the item does not require down time for periodic maintenance.

Because of their many parts, garage doors need periodic maintenance to operate well and safely.

In late March 1915 the ship went into drydock for periodic maintenance.

Would it not require periodic maintenance, as well as a regular power source?

In most cases, the dirt fan doesn't need replacement, only periodic maintenance.

These were meant for periodic maintenance from the inside by workers.

Once installed, they require only periodic maintenance, but setting them up isn't always easy.