Definitions for "Local exhaust ventilation"
An air movement system for capturing pollutants in the air directly where they are produced and carrying them away before they can spread throughout the work area.
A system for capturing and exhausting contaminants from the air at the point of origin, as in welding, grinding, sanding, or laboratory experiments.
refers to a system used during welding, cutting or other similar operations in confined spaces as necessary to remove harmful gases, smoke and fumes.