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Biology, 25.02.2020 01:01 jamesgotqui6
The emission of sulfur dioxide when high-sulfur coal is burned is restricted by law. New coal-burning plants usually comply with the law by installing expensive equipment to filter sulfur dioxide from their emissions. These new plants could save money by installing .
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The emission of sulfur dioxide when high-sulfur coal is burned is restricted by law. New coal-burnin...
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