The main work has been completed at about 300 of the sites.
The Department's main work is not energy, though, but nuclear weapons.
His main work seemed to be seeking out and finding people to talk to.
This list shows where they were printed separately from the main work, if at all.
His main work during this time was on variable stars.
"This air survey is really a preliminary to the main work, which will be next year."
And this, really, is the main work of the weekend.
The main work on the strategy was carried out before the economic crisis.
Our main work at present is to measure everything associated with the process and to try to understand the physics of it better.
His main work at this time, however, was research into the velocity of light.