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.
If the antigen is present, it is called Rh-positive. When the mother is Rh-negative and the father is Rh-positive, the fetus can inherit the Rh factor from the father. This makes the fetus Rh-positive too. Problems can arise when the fetusâs blood has the Rh factor and the motherâs blood does not.t is the most important blood group system after ABO. At present, the Rh blood group system consists of 50 defined blood-group antigens, among which the five antigens D, C, c, E, and e are the most important. The commonly used terms Rh factor, Rh positive and Rh negative refer to the D antigen only.