Assistant principals aid the principal in the overall administration of the school. Some assistant principals hold this position for several years to prepare for advancement to principal jobs; others are career assistant principals.n larger school systems, a principal is often assisted by someone known as a vice-principal (Republic of Ireland: deputy principal) or assistant principal.
Causes. Pressure on the bladder during delivery is the main cause of a ruptured bladder, although a weakness in the bladder wall may make it susceptible to a rupture. In older horses, a ruptured bladder may be caused by an accident or related to a urinary obstruction.
Overflow Incontinence: Overflow incontinence occurs when the bladder is constantly full, and reaches a point where it overflows and leaks urine. This condition can occur when the urethra is blocked due to causes such as kidney or urinary stones, tumors, or an enlarged prostate.