The surname Murchison was first found in Inverness, where they held a family seat from very ancient times. They are believed to be descended from Murdoch, a natural son of Angus Mor of Islay of the Clan Donald.
Definition of Wound Tunneling. Tunneling wounds can be tricky to identify, as most of the tearing and damage occurs out of sight, beneath the skin. Wound tunneling can also extend the healing process much longer than normal as the torn flesh shifts with use, allowing for a buildup of dead skin and infection. A tunneled wound should be cared for as soon as possibly by a proper medical authority.
OSHA defines an excavation as any man-made cut, cavity, trench, or depression in the earths surface formed by earth removal. A trench is defined as a narrow underground excavation that is deeper than it is wide, and is no wider than 15 feet (4.5 meters). Dangers of Trenching and Excavation. Cave-ins pose the greatest risk and are much more likely than other excavationrelated accidents to result in worker fatalities.