There have been several deaths and debilitating diseases from work-related illnesses like asbestosis.
Health experts estimate that 10 times that many die from work-related illness.
The grindstones were used until the 1920's, when more was known about work-related illnesses and they were replaced with emery wheels.
Vibrating machinery, lighting, and air pressure can also cause work-related illness and injury.
The worker does not pay premiums or any part of medical bills for the treatment of work-related illnesses and injuries.
A third of work-related illnesses are due to the use of chemicals dangerous to people's health.
Some 4 500 workers die each year as a result of accidents at work and many more from work-related illnesses.
At a simple level, it is about reducing accidents at work and work-related illness.
Each single accident and each work-related illness constitutes a breach of a worker's fundamental rights.
No data are available on work-related illnesses.