Scrubbers remove ___ pollution.
Scrubbers are devices fit along the inner line of a chimney to absorb gaseous and particular harmful matter and thus purify the air going off the chimney.
Scrubbers are used to remove _________ pollutants
Scrubbers are devices used to remove ___ pollutants.
Scrubbers are devices used to remove _________ pollutants.
How do electrostatic precipitators, scrubbers and catalytic converters prevent pollution?