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2. HVAC control system - Wikipedia

   en.wikipedia.org/wiki/HVAC_control_system

   HVAC (Heating, Ventilation and Air Conditioning) equipment needs a control system to regulate the operation of a heating and/or air conditioning system. [1] Usually a sensing device is used to compare the actual state (e.g. temperature) with a target state. Then the control system draws a conclusion what action has to be taken (e.g. start the ...

3. Lennox International - Wikipedia

   en.wikipedia.org/wiki/Lennox_International

   Lennox International Inc., headquartered in Richardson, Texas and organized in Delaware, is a provider of climate control products for the heating, ventilation, and air conditioning (HVAC) and refrigeration markets. [1] The company's largest production facilities are in Saltillo, Mexico, Marshalltown, Iowa, and Orangeburg, South Carolina. [1]

4. Busbar - Wikipedia

   en.wikipedia.org/wiki/Busbar

   Distribution boards split the electrical supply into separate circuits at one location. Busways, or bus ducts, are long busbars with protective covers. Rather than branching from the main supply at one location, they allow new circuits to branch off anywhere along the busway. A busbar may be either supported on insulators, or wrapped in insulation.

5. Doctors Say This Is How You Can Loosen and Clear Mucus From ...

   www.aol.com/lifestyle/doctors-loosen-clear-mucus...

   Control your cough Coughing is a physiologic way to rid one of some of the congestion, says Amesh A. Adalja, M.D. , senior scholar at the Johns Hopkins Center for Health Security.

6. J.T. Miller scores in shootout as Canucks beat Kraken 4-3 - AOL

   www.aol.com/j-t-miller-scores-shootout-062434668...

   J.T. Miller scored in the shootout and the Vancouver Canucks beat the Seattle Kraken 4-3 on Thursday night. Connor Garland, Tyler Myers and Max Sasson scored in regulation for the Canucks. Kevin ...

7. Boeing still needs a culture change to put safety above ... - AOL

   www.aol.com/boeing-still-needs-culture-change...

   A year after a panel blew out of a Boeing 737 Max during flight, the nation’s top aviation regulator says the company needs "a fundamental cultural shift” to put safety and quality above profits.