Sentence examples for maintain and was from inspiring English sources

McAdam's broken stone provided the cheapest pavement, but its unbound surface was difficult to maintain and was usually either slimy or dusty as a consequence of water, weather, and copious amounts of horse excrement.

An accident in 1995 involved a similar failure of its propulsion system, a sophisticated contraption that is considered expensive to maintain and was not installed on more recent ferries bought by the city, according to several officials and former employees familiar with the operations of the Staten Island Ferry.

The house proved too costly for the borough to maintain, and was acquired by the Commonwealth of Pennsylvania in 1961.

Initially, the service was eight trains an hour, completing the 13 mile circle in 81 84 minutes, but this proved impossible to maintain and was reduced to six trains an hour with a 70-minute timing in 1885.

Such structures are costly to maintain and are also inefficient, Mr. DelBello said.

Since they have less control hardware, they are cheaper to maintain and are generally more accurate.

Lightships are costly items to operate and to maintain and are therefore prime candidates for automation.

Cork, which is not a synthetic, is handsome, but is difficult to maintain and is not exceptionally durable.

Old wire lines were too expensive to maintain and were replaced by coaxial cable and microwave links.

"Apps are expensive to build, maintain and are disruptive to the buying journey.

This system costs billions to maintain and is far from perfect.