Much of the efficiency of the motor is due to the form and gearing of the propeller.

He has discharged the duties of this office for four years with ability and efficiency.

You've pictured one spot of efficiency in a whole dreary desert of waste.

And by degrees I made for myself a new god, and its name was Efficiency.

That's more important to you and me than all the efficiency gods on earth.

All these bouquets to efficiency and all this about the weak points of the crowd.

In fact, the efficiency of West India troops was, and is, unquestioned.

The preponderance of efficiency of equipment lay with the Germans.

No doubt it has been overworked by enthusiastic believers in its efficiency.

Some of the efficiency methods of 274 his subordinates were picturesque to say the least.