1 Chronic eosinophilic leukemia is a disease in which too many white blood cells (eosinophils) are made in the bone marrow. 2  Signs and symptoms of chronic eosinophilic leukemia include fever and feeling very tired. Primary myelofibrosis is a disease in which abnormal blood cells and fibers build up inside the bone marrow. 2  Symptoms of primary myelofibrosis include pain below the ribs on the left side and feeling very tired. 3  Certain factors affect prognosis (chance of recovery) and treatment options for primary myelofibrosis.
Panic & Exit Devices. Panic door hardware is a crucial part of a building's security system, ensuring that people have a way to exit a business in the event of an emergency.
X Keyed Entry: This style of door hardware is generally installed on exterior doors where locking is necessary. Passage: This style of door hardware is typically used on hall and closet doors where you want the latch to keep the door shut, but you do not need the door to shut. Dummy Set: This style of door hardware is used on doors where a latch is not needed and is used as a decorative door pull. Dummy hardware can either be sold as single pieces or sets. Door Pulls: This style of door hardware is used on sliding or swinging doors as a functional design element.