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2. Duct (industrial exhaust) - Wikipedia

   en.wikipedia.org/wiki/Duct_(industrial_exhaust)

   Industrial exhaust ducts are pipe systems that connect hoods to industrial chimneys through other components of exhaust systems like fans, collectors, etc. Ducts are low-pressure pneumatic conveyors to convey dust, particles, shavings, fumes, or chemical hazardous components from air in the vicinity to a shop floor or any other specific locations like tanks, sanding machines, or laboratory hoods.

3. Duct (flow) - Wikipedia

   en.wikipedia.org/wiki/Duct_(flow)

   A duct system often begins at an air handler. The blowers in the air handler can create substantial vibration, and the large area of the duct system would transmit this noise and vibration to the inhabitants of the building. To avoid this, vibration isolators (flexible sections) are normally inserted into the duct immediately before and after ...

4. Microducts - Wikipedia

   en.wikipedia.org/wiki/Microducts

   A common cable installation technique for fiber cables remains cable pulling. After the duct is placed, a high-strength pull line is blown into the duct (if one has not already been pre-installed by the duct manufacturer). The pull line is attached to one end of the cable and is used to pull the cable through the duct.

5. Heads Up: Your Hand Sanitizer Won’t Actually Kill This Virus

   www.aol.com/heads-hand-sanitizer-won-t-114500562...

   Hand sanitizer has been seen as a valuable tool in hygiene and illness protection for years. During the height of the COVID-19 pandemic, many people ramped up their use of hand sanitizer, with ...

6. Trump team plans to deport some migrants to countries other ...

   www.aol.com/incoming-trump-administration-plans...

   The incoming Trump administration is preparing a list of countries to which it may deport migrants when their home countries refuse to accept them, according to three sources familiar with the plans.

7. 22 arrested in Pennsylvania in connection to alleged human ...

   www.aol.com/22-arrested-pennsylvania-connection...

   Twenty-two people were arrested in Pennsylvania in connection to a human trafficking operation tied to two massage businesses, officials said.. The District Attorney for Cumberland County ...

8. Busbar - Wikipedia

   en.wikipedia.org/wiki/Busbar

   The busbar's material composition and cross-sectional size determine the maximum current it can safely carry. Busbars can have a cross-sectional area of as little as 10 square millimetres (0.016 sq in), but electrical substations may use metal tubes 50 millimetres (2.0 in) in diameter or more as busbars.

9. Ducted fan - Wikipedia

   en.wikipedia.org/wiki/Ducted_fan

   The duct increases thrust efficiency by up to 90% in most cases [citation needed], in comparison to a similar-sized propeller in free air. Ducted fans are quieter, and offer good opportunities for thrust vectoring.