Compressor stalls and surges where more prominent in older jet engines. Fortunately, compressor stalls or surges are extremely rare, and don't cause harm to the engine or plane. A compressor stall often will correct itself as soon as the flow of air in the engine is restored.
Hole-in-the-Wall site, Wyoming. Hole-in-the-Wall is a remote pass in the Big Horn Mountains of Johnson County, Wyoming. In the late 19th century the Hole in the Wall Gang and Butch Cassidy's Wild Bunch gang met at the log cabin which is now preserved at the Old Trail Town museum in Cody, Wyoming.
Colon perforation is a hole in the wall of the colon. The colon is the end of the intestines also known as the large intestine. A perforation may be a puncture, cut, or tear. The opening allows air and intestinal material to leak into the abdominal cavity. The material can lead to a serious infection.