Reducing mercury vapor.
D000397:Air Pollution / Q000517:prevention & control*; D003723:Dental Amalgam; D003748:Dental Equipment; D003793:Dental Restoration, Permanent / Q000295:instrumentation; D004867:Equipment Design; D006801:Humans; D008628:Mercury / Q000009:adverse effects*
D003723:Dental Amalgam; D008628:Mercury