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2. Blast damper - Wikipedia

   en.wikipedia.org/wiki/Blast_damper

   Blast dampers usually employ some type of blade held open with tension from a spring. The damper blades close automatically when pressure overcomes the resistance offered by the spring. Various models differ in the amount of blast protection (e.g. 1 bar/14.5 psi or lower amounts of protection) and whether they stay closed after the blast or ...

3. 9 Antique Items You Could Sell for Thousands of Dollars

   www.aol.com/9-antique-items-could-sell-190033573...

   The knit jacket that shoppers say is better than 'JCrew cardigans' is on sale for $34. See all deals. In Other News. Entertainment. Entertainment. USA TODAY.

4. Blasting machine - Wikipedia

   en.wikipedia.org/wiki/Blasting_machine

   Two blasting machines. At rear is one where the trigger works by depressing or raising the handle; at fore, one where the handle is twisted. A blasting machine or shot exploder (commonly called a plunger) is a portable source of electric current to reliably fire a blasting cap to trigger a main explosive charge.

5. Duct leakage testing - Wikipedia

   en.wikipedia.org/wiki/Duct_leakage_testing

   A duct leakage tester is a diagnostic tool designed to measure the airtightness of forced air heating, ventilating and air-conditioning (HVAC) ductwork. A duct leakage tester consists of a calibrated fan for measuring an air flow rate and a pressure sensing device to measure the pressure created by the fan flow.

6. Steam locomotive exhaust system - Wikipedia

   en.wikipedia.org/wiki/Steam_locomotive_exhaust...

   The steam blast is largely self-regulating: an increase in the rate of steam consumption by the cylinders increases the blast, which increases the draught and hence the temperature of the fire. Modern locomotives are also fitted with a blower , which is a device that releases steam directly into the smokebox for use when a greater draught is ...

7. Hochul blasts move to cut border crossing hours - AOL

   www.aol.com/news/hochul-blasts-move-cut-border...

   (The Center Square) — Democratic New York Gov. Kathy Hochul is blasting the Biden administration for reducing office hours at four northern border crossings amid an ongoing surge of immigration ...

8. Play Eggz Blast Online for Free - AOL.com

   www.aol.com/games/play/masque-publishing/eggz-blast

   Sweet Gummy Blast. Play. Masque Publishing. Video Poker. Play. Masque Publishing. Wahoo: The Marble Board Game. ... US home sales hit fastest pace since March with more properties up for sale.

9. File:Duct Blaster.jpg - Wikipedia

   en.wikipedia.org/wiki/File:Duct_Blaster.jpg

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