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2. Vibration isolation - Wikipedia

   en.wikipedia.org/wiki/Vibration_isolation

   Air systems may leak under vacuum conditions. The air container can interfere with isolation of low-amplitude vibration. Mechanical springs and spring-dampers These are heavy-duty isolators used for building systems and industry. Sometimes they serve as mounts for a concrete block, which provides further isolation.

3. Distribution transformer - Wikipedia

   en.wikipedia.org/wiki/Distribution_transformer

   In that case, distribution transformers are mounted on concrete pads and locked in steel cases, thus known as distribution tap pad-mount transformers. Distribution transformers typically have ratings less than 200 kVA , [ 3 ] although some national standards allow units up to 5000 kVA to be described as distribution transformers.

4. Pad-mounted transformer - Wikipedia

   en.wikipedia.org/wiki/Pad-mounted_transformer

   A padmount or pad-mounted transformer is a ground-mounted electric power distribution transformer in a locked steel cabinet mounted on a concrete pad. Since all energized connection points are securely enclosed in a grounded metal housing, a padmount transformer can be installed in places that do not have room for a fenced enclosure.

5. Heating, ventilation, and air conditioning - Wikipedia

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

   Central, "all-air" air-conditioning systems (or package systems) with a combined outdoor condenser/evaporator unit are often installed in North American residences, offices, and public buildings, but are difficult to retrofit (install in a building that was not designed to receive it) because of the bulky air ducts required. [32] (Minisplit ...

6. Fan coil unit - Wikipedia

   en.wikipedia.org/wiki/Fan_coil_unit

   These motors are sometimes called DC motors, sometimes EC motors and occasionally DC/EC motors. DC stands for direct current and EC stands for electronically commutated.. DC motors allow the speed of the fans within a fan coil unit to be controlled by means of a 0-10 Volt input control signal to the motor/s, the transformers and speed switches associated with AC fan coils are not required.

7. 12 Tips for Healthy Holiday Eating

   www.aol.com/12-tips-healthy-holiday-eating...

   2. Add Protein and Fiber to Your Plate First. Protein and fiber can help keep your hunger in check and make you feel fuller for longer. There’s even research suggesting that high-protein ...