21.   As for the high maintenance costs at the arena, Kearney said, standards differ at various arenas.

22.   Because it flies new airplanes, which are under warranty, it does not have the maintenance costs of its rivals.

23.   Because faucets and fixtures are touched less often, they need fewer repairs and less scrubbing, which lowers maintenance costs, faucet manufacturers say.

24.   Because of high maintenance costs, he was forced to sell Orielton to the Field Studies Council, which continues to run it as a nature education center.

25.   Because of high maintenance costs, the Coast Guard is attempting to mothball many lighthouses around the nation, maintaining only the automated-light systems inside them.

26.   Besides, he said, the real savings with NCs come from sharply lower maintenance costs.

27.   Both plots are carefully monitored for their ecological soundness, maintenance costs and appeal.

28.   A maintenance label instructs that Toyota is still fudging so as to quote low maintenance costs.

29.   Adding another brand of aircraft could raise pilot training and maintenance costs, analysts said.

30.   But as the passenger trains were replaced by freight lines, the railroad asked the federal government for permission to remove the system to save on maintenance costs.