It is essential to the conservation of monuments that they be maintained on a permanent basis.

For the early part of the 1960s the regiment was maintained on a volunteer-only basis and as a result numbers remained low.

Marketing plans should be maintained on an annual basis, at a minimum.

The site was launched on May 18, 2007 and is maintained on a frequent basis.

Despite the Depression, the company maintained employment for 300 workers, many on a part-time basis.

And although I'm officially finished, you want to maintain contact on a permanent basis.

How much does it cost to maintain on an annual basis, including all costs and depreciation?

The distance to Britain by this route was significantly longer, but operations could be maintained on a year-round basis.

At the same time they are obligated to maintain and replace their electrical equipment on a regular basis.

I hope that the new coalition will be able to muster all its forces in order to maintain public safety on a lasting basis.