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what should be said.
closed bracket.
what should be said.
Definition: A preventer is a device that prevents or limits the release of toxic substances from an area. It typically consists of a filter, a valve, and possibly other components to control the flow of chemicals or gases into a system. Preventers are often used in industries where hazardous materials must be sealed, such as chemical plants, oil refineries, or power generation facilities. Preventers can also be used for other purposes like controlling the release of volatile organic compounds (VOCs) from pipelines,