Much of the increase, however, resulted from special, one-time factors rather than the company's main operations.
They were headed for the main operation and examining hall!
But I'll tell you how the main operation is different from the pilot.
It's best we keep him out of the main operation, and he'll not take it well.
I was interested in this coup de main operation during the night of 5/6 June 19".
By October 10 everything was ready for the main operation.
They like to have sites that are physically remote from their main operations.
By this time, most of the station's main operations were moved to the Providence location.
The company's problem is that its main operations are in Greece.
The company's main operations are the transportation of general goods services.