URL of this page: //medlineplus.gov/ency/article/000713.htm. A subdural hematoma is a collection of blood between the covering of the brain (dura) and the surface of the brain. A subdural hematoma is usually the result of a serious head injury. When it occurs this way, it is called an acute subdural hematoma. Acute subdural hematomas are among the deadliest of all head injuries. The bleeding fills the brain area very rapidly, compressing brain tissue.
Mitering Inside Corners. 1  1. Measure the angle of the corner. 2  2. Set a compound miter saw with the correct angles. 3  3. Cut the right inside corner.  4. Set the miter saw angle 1  again. 5. Cut the left inside corner.  6. Fit the two pieces together before nailing them in place.
Hold the ball of clay with one hand and use your other thumb to press into the center until your thumb is about Â¼ to Â½ inch from the bottom. 3. Slowly widen the hole by pinching up the walls.Turn the piece continously as you pinch to keep the walls even in thickness.4.old the ball of clay with one hand and use your other thumb to press into the center until your thumb is about Â¼ to Â½ inch from the bottom. 3. Slowly widen the hole by pinching up the walls.