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2. Process duct work - Wikipedia

   en.wikipedia.org/wiki/Process_Duct_Work

   Duct dead loads: are often simplified (in Cement plant usage) by using duct plate weight, multiplied by 1.15 as a stiffener allowance, as duct stiffeners usually weigh less than 15% times the duct plate weight. Duct stiffener allowance for rectangular power plants ductwork may be 50% to 100% of the duct plate weight.

3. Testing, adjusting, balancing - Wikipedia

   en.wikipedia.org/wiki/Testing,_adjusting,_balancing

   Adjusting is the final setting of balancing devices such as dampers and valves, adjusting fan speeds and pump impeller sizes, in addition to automatic control devices such as thermostats and pressure controllers to achieve maximum specified system performance and efficiency during normal operation.

4. Heating, ventilation, and air conditioning - Wikipedia

   en.wikipedia.org/wiki/Heating,_ventilation,_and...

   Rooftop HVAC unit with view of fresh-air intake vent Ventilation duct with outlet diffuser vent. These are installed throughout a building to move air in or out of rooms. In the middle is a damper to open and close the vent to allow more or less air to enter the space. The control circuit in a household HVAC installation.

5. 10 Over-the-Top Christmas Decorations That Cost a Fortune - AOL

   www.aol.com/10-over-top-christmas-decorations...

   Renowned for its lavish holiday decorations, homeowners in this affluent Brooklyn neighborhood have been known to spend upwards of $20,000 on their elaborate setups, complete with life-sized ...

6. The 10 Best Movie Performances of 2024 - AOL

   www.aol.com/10-best-movie-performances-2024...

   We watch movies for so many reasons: the spectacle of great cinematography, the experience of connecting with a director's ideas, the sheer pleasure of watching a story unfold before us. But we ...

7. Nancy Pelosi undergoes hip replacement surgery after fall in ...

   www.aol.com/nancy-pelosi-hospitalized-during...

   Democratic Rep. Nancy Pelosi, 84, underwent a successful hip replacement surgery after falling while in Luxembourg with a congressional delegation, her office said Saturday. "Earlier this morning ...