Decreasing the generation and disposal amount of caustic sludge can be accomplished by adopting cleaner technologies and recycling caustic sludge.

通过采用清洁工艺和碱渣回用来减少碱渣产生量和处理量；

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He travelled to Exeter by bus on the morning of 22 May with six bottles, three of which contained caustic soda, and three kerosene and another chemical contained in drain cleaner, the judge said.

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