The lower price is not enough for proper maintenance, he says.

The human body will not run for long without the proper maintenance.

It is not be able to use in any way due to lack of proper maintenance.

It is still in very good condition although having no officials' care and proper maintenance.

Bond issues have built our park system but not provided for its proper maintenance.

Proper maintenance can make a human hair wig last for many years.

Without proper maintenance, and repair at need, this ship is dead.

With proper maintenance these engines can easily survive more than 250,000 miles of service.

When the deployment has finished the system will need proper maintenance to stay alive.

By the ground floor, he was complaining about the lack of proper maintenance in federal buildings.