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oil-sludge PETROLCHIM

oil-sludge

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oil sludge PETROLCHIM

oil sludge INDUSTR

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He died after inhaling the fumes of the oil sludge caused him to contract cardio-respiratory disease. en.wikipedia.org

Typical work involves diving into raw sewage or dangerous chemicals, such as paper pulp, liquid cement, or oil sludge. en.wikipedia.org

The engine was affected by an oil sludge problem and premature timing chain tensioner failure, which were fixed around 2002-2004. en.wikipedia.org

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