core noun [C, usually singular]. âº the most important or most basic âpart of something: the core of sth The core of the bank's âbusiness is in Hong Kong.be at the core of sth The âinternet is increasingly at the core of the âtelecoms âbusiness. uk us /kÉËr/.
Ventilator Types. Ventilators for home use are small, lightweight and run on electricity. They can be powered by the internal battery for brief trips outside the home, and can sit on a bedside stand, cart or wheelchair and be used for travel. Most feature various levels of gas/air-flow pressure, volume, rate and duration to control breathing or to wean a patient off the ventilator.
Radon system options. 1  Depressurization: There are two common types of depressurization methods: active and passive. The active method is the most common and effective and using one or more airtight suction vent pipes installed in the soil beneath the homeâs surface.