The energy behind such efforts has escalated sharply in recent years.

That, though, could sharply escalate the costs of the aircraft.

Major glass objects of all periods have escalated sharply in value over the last several years.

The Datavision business is expected to make about £5m next year, but then to escalate sharply.

But with increasing screen size and audio power, the price escalates sharply.

They said construction and land costs had escalated sharply.

The show of force, which injured seven people, sharply escalates Moscow's campaign against the republic.

Both taxes were to escalate sharply in subsequent years.

The late arrivals were finding their seats now and the excitement was escalating sharply.

Still, if salaries for catchers suddenly escalate sharply, he has the option.