Workers Are Falling Ill, Even Dying, After Making Kitchen Countertops Irreversible lung disease has started to show up among young workers who cut, grind and polish countertops made of increasingly popular "engineered" stone. The material is more than 90 percent silica. Irreversible lung disease has started to show up among young workers who cut, grind and polish countertops made of increasingly popular "engineered" stone. The material is more than 90 percent silica. Business
Irreversible lung disease has started to show up among young workers who cut, grind and polish countertops made of increasingly popular "engineered" stone. The material is more than 90 percent silica.
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