BUILDING PLAN SHEET SIZE. In order to facilitate the review of building plans and inspection in the field, building plans must. have a degree of standardization. One aspect of standardization is plan sheet size. Plan sheet sizes ranging from 36 wide x 24 high to 48 wide x 36 high are the most. manageable.
Rh incompatibility is a condition that occurs during pregnancy if a woman has Rh-negative blood and her baby has Rh-positive blood. Rh-negative and Rh-positive refer to whether your blood has Rh factor. Rh factor is a protein on red blood cells. If you have Rh factor, you're Rh-positive.
Rh is short for Rhesus factor. Rhesus factor is a type of antigen present on the surface of red blood cells. If you have have this particular antigen, you are Rh positive. If you donât, youâre Rh negative. The Rh factor is important in determining blood type for transfusions. Normally Your immune system protects against potentially harmful substances (antigens). When foreign antigens enter your body, your immune system makes antibodies to help destroy them.