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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).
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.
Fume hood Glove box A biosafety cabinet ( BSC )—also called a biological safety cabinet or microbiological safety cabinet —is an enclosed, ventilated laboratory workspace for safely working with materials contaminated with (or potentially contaminated with) pathogens requiring a defined biosafety level .
eBay office in Toronto, Canada. eBay Inc. (/ ˈ iː b eɪ / EE-bay, often stylized as ebay or Ebay) is an American multinational e-commerce company based in San Jose, California, that allows users to buy or view items via retail sales through online marketplaces and websites in 190 markets worldwide.
On eBay, the bidding price started at $233.95, with bidding ended at a sale price of US$10,000. [63] Both the e-mail exchange and the picture have become internet hits. [64] In July 2009, Dornoch Capital Advisors placed England's Coca-Cola League One Side Tranmere Rovers F.C. on eBay without permission from owner and chairman Peter Johnson ...
Smoke hoods are a class of emergency breathing apparatus intended to protect victims of fire from the effects of smoke inhalation. [2] [3] [4] A smoke hood is a predecessor to the gas mask. [5] The first modern smoke hood design was by Garrett Morgan and patented in 1912. [6]
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