If it is positive, then you may have a hepatitis B infection. This test may have to be repeated to confirm whether you have a chronic infection. 2. Hepatitis B surface Antibody (HBsAb or anti-HBs) - this tests for the surface antibody that your immune system makes to fight off the virus.
Rottenstone definition, a friable stone resulting from the decomposition of a siliceous limestone, used as a powder for polishing metals. See more. Dictionary.com
The hearthstone is the lip of your fireplace opening, perhaps the focal point of your outdoor fireplace. Installing it correctly is an important part of building an outdoor fireplace. 1  Place mortar in three 3/4-inch deep strips, 1 inch (2.5 cm) from each other.