This came at a time when workers were putting in 10-12 hour days and the mines ran 24 hours a day.
The workers have put their faith in a union that is considered among the best.
Why did workers put so many eggs in their company's basket?
The gain had been expected, largely because workers put in longer hours.
Other workers interviewed - both those for and against the union - put the level of support lower, closer to 25 percent.
The workers readily put in overtime to get the job done on time.
But several workers put the cost for a good set of the same documents at about $300.
Japanese workers are putting in one hour less each week than they did 10 years ago.
Also, who would choose where workers could put their money?
Cars moved along the belt, and workers put on one part at a time.