But only 10 percent of the city's 5,000 teachers walked off the job.
Others walked off their jobs for only a few hours.
The last time they walked off their jobs was in 1970.
When that day came, the players went ahead with their threat to walk off the job.
Local radio said some of the employees walked off the job for only a couple hours.
Second, the crew might not walk off the job right away if they think you're getting the money another way.
Iraqi security forces have walked off their jobs, or turned against us.
If the judge rules in United's favor, union leaders say they will order members to walk off the job.
Professors have walked off the job four times in the last 12 years.
A total of 3,500 pilots walked off the job last week.