And that will further strain the air traffic control system.

The events of Sept. 11 and since have further strained resources.

Its population will double in 25 years, further straining resources, if the present fertility rates continue.

The request could further strain relations between the two Governments over the incident.

But he further strained his relations with Johnson only one day after the two met to mend their problems.

Armed with the new law, officials said they expected an increase in arrests, which would further strain an overwhelmed justice system.

The natural rise in blood pressure that occurs after awakening may further strain the heart.

To meet rising demand for power, new plants have been built, in some cases further straining the transmission system.

This relationship is further strained because Abel cannot speak her unknown language.

Rapid tourism expansion further strains the response in remote areas.