That way, maintenance shutdowns can be better scheduled and only parts with problems need be replaced, both of which, obviously, reduce costs.

The test procedure was to be repeated again in 1986, and it was scheduled to take place during the maintenance shutdown of Reactor Four.

Even the regularly scheduled maintenance shutdown can be prolonged.

About 350 contract workers in the middle of a maintenance shutdown were also affected.

This summer, several large refineries reported unplanned maintenance shutdowns, reducing gasoline inventories, the survey said.

Any major disruptions, which might include hurricanes, explosions and extended maintenance shutdowns, could cause prices to spike above the new predictions.

Seymour Specialty closed on June 29 for its annual maintenance shutdown and has not reopened.

Continuous usually means operating 24 hours per day, seven days per week with infrequent maintenance shutdowns, such as semi-annual or annual.

It was the lengthiest maintenance shutdown in 22 years.

It's taking a while because of the complete maintenance shutdown.