The illustration shows a generic example of a box plot with the maximum, third quartile, median, first quartile, and minimum values labeled. The relative vertical spacing between the labels reflects the values of the variable in proportion.
Respirator Types Two basic types of respirators are: â¢ air-purifying; andâ¢ supplied-air respirators. Air-purifying respirators remove airborne contaminants such as particles, toxic vapors, and/or gases.
There are three basic home oxygen delivery systems that can be used in various combinations to meet your patient's needs. They are oxygen concentrators, liquid oxygen units and high-pressure cylinders. A concentrator is a device that separates oxygen from room air. It is small, reliable and relatively inexpensive.