Meanings of efficient instruments in English

Background: Surgeons can help reduce health care spending by selecting affordable and efficient instruments.

These methods, apparently distinctive, may once have been practised more broadly, but were superseded by more efficient instruments.

Speaking at a parliamentary budget committee hearing on the EFSF, Mr Weidmann said the bailout fund should focus on more efficient instruments than bond purchases.

Their feet had lost the separate toes, and, by a strengthening and growing together of the internal bones, had become more efficient instruments of locomotion.