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2. Laminar flow cabinet - Wikipedia

   en.wikipedia.org/wiki/Laminar_flow_cabinet

   Despite their similar appearance, a laminar flow cabinet should not to be confused with a fume hood. A laminar flow cabinet blows unfiltered exhaust air towards the worker and is not safe for work with pathogenic agents, [2]: 13 [3] while a fume hood maintains negative pressure with constant exhaust to protect the user, but does not protect the ...

3. Fume hood - Wikipedia

   en.wikipedia.org/wiki/Fume_hood

   Air flow in fume hood demonstrated by dry ice fog. A fume hood is typically a large piece of equipment enclosing six sides of a work area (including a movable sash window or door), the bottom of which is most commonly located at a standing work height (at least 28 to 34 inches (71 to 86 cm) above the floor).

4. Vented balance safety enclosure - Wikipedia

   en.wikipedia.org/wiki/Vented_Balance_Safety...

   Fume hoods were introduced about 100 years ago to safeguard personnel working with hazardous materials. While many changes and improvements have been made, the basic concept and design of fume hoods remains the same. Air is drawn from the workplace, around the worker and into the front of the hood, and is then exhausted out of the laboratory.

5. Biosafety cabinet - Wikipedia

   en.wikipedia.org/wiki/Biosafety_cabinet

   This is in contrast to a laminar flow clean bench, which blows unfiltered exhaust air towards the user and is not safe for work with pathogenic agents. [3]: 13 [4] Neither are most BSCs safe for use as fume hoods. [2] Likewise, a fume hood fails to provide the environmental protection that HEPA filtration in a BSC would provide. [5]

6. Kitchen hood - Wikipedia

   en.wikipedia.org/wiki/Kitchen_hood

   A kitchen hood, exhaust hood, hood fan, extractor hood, or range hood is a device containing a mechanical fan that hangs above the stove or cooktop in the kitchen. It removes airborne grease, combustion products, fumes, smoke, heat, and steam from the air by evacuation of the air and filtration. [ 1 ]

7. Laminar flow - Wikipedia

   en.wikipedia.org/wiki/Laminar_flow

   Laminar flow hoods are used to exclude contaminants from sensitive processes in science, electronics and medicine. Air curtains are frequently used in commercial settings to keep heated or refrigerated air from passing through doorways. A laminar flow reactor (LFR) is a reactor that uses laminar flow to study chemical reactions and process ...