At least 21 workers have died here in the last two weeks.
Some sources say at least 100 workers died in the accident.
According to official accounts, five workers died during the construction.
It was built at an average of 4 plants per week, and no workers died during its construction.
The job is dangerous and at least two workers have died.
According to the union, 30 workers have died in accidents since 1972.
It said the factory was the site of a fire two years ago where 25 workers, including several children, died.
During the violence that followed at least one worker died.
As a result, six workers died and the rest of the group was wounded.
If workers died or refused to work, the investment would be lost.