There were more than 39,000 brushes, which had to undergo maintenance each month.

The page you have requested does not exist or is undergoing routine maintenance.

The theatre remained closed for more than two months while it underwent significant maintenance.

Because of the war, Iraqi power plants did not undergo routine annual maintenance in the spring.

Success is due to undergo maintenance for most of 2013.

However, this park is undergoing maintenance for few years.

One failed to do so and the other was undergoing maintenance.

It was cleaned and underwent maintenance for approximately two weeks in August 2010.

In August 2008, she had returned from deployment and was undergoing maintenance.

Waller was undergoing deep maintenance during 2012, and is due to return to service in 2013.