It is an air gap that allows air to escape rather than building up in the pipe and creating an air hammer within the pipes (banging noise), and problems with drainage. (think about pouring out of a can that doesnt have the second hole punched in it.
Suction Therapy : Suction therapy is provided to assist in the removal of bronchial secretions that cannot be expectorated by the patient spontaneously. Suct...
What is VRT? What is reflexology and what can you expect from a Vertical Reflexology treatment? Reflexology is an ancient non-intrusive complementary health therapy dating back 5,000 years, based on the theory that different points on the feet, lower leg and hands correspond with different areas of the body.