The Rh factor refers to a protein that may or may not be found on the surface of an individualâs red blood cells. A person who has this protein present in her blood is Rh positive and a person who does not is Rh negative. A personâs Rh factor is an inherited condition with Rh positive being the dominant gene.
Universal Material Testing Instrument. The TENSILON RTF is our newest universal testing machine offering innovative measuring possibilities, based on A&D's newly-developed and extensive technological knowledge.The RTF Series is a world-class Class 0.5 testing machine.Having improved the overall design and structure of the machine, we achieved a very strong load frame stiffness enabling super-high accuracy in measurement.he RTF Series is a world-class Class 0.5 testing machine. Having improved the overall design and structure of the machine, we achieved a very strong load frame stiffness enabling super-high accuracy in measurement.
TENS, or transcutaneous electrical nerve stimulation, is the use of electric stimulation with the help of a machine in order to stimulate the nerves for therapeutic purposes. A TENS unit (or T.E.N.S unit) is a portable machine that is used to relieve pain.he unit is usually used by connecting two or more electrodes to the skin. TENS units are very commonly used as a non-invasive way of electric stimulation for pain relief from acute back problems and chronic back pain.