Remember that refrigerant itself has very low viscosity. Solutions of oil and refrigerant have a viscosity between that of the oil and that of the refrigerant. As more refrigerant dissolves in the oil, the solution becomes less viscous.
The Element Earth. The earth signs are Taurus, Virgo, and Capricorn. The earth signs are stable and practical, and they are sometimes thought of as stubborn. They are concerned with the mundane details of the world, and what really exists. They can have trouble with non-tangible ideas, however.
Most Compatible Signs: Taurus, Cancer, Scorpio, Capricorn. Virgo, the Virgin, is an Earth sign and shares a high compatibility with Taurus and Capricorn (other earth signs). Those born under the astrological sign of Virgo are also compatible with the water signs of Cancer and Scorpio.