The following words and terms, when used in this subchapter, have the following meanings, unless the context clearly indicates otherwise:
Engine-Any machine which converts air, gas, oil, steam or water into mechanical power, including belt or gear-driven reciprocating compressors, pumps and blowers.
Guarded, encased or enclosed-The object is so covered, fenced or surrounded that contact, which may result in injury, at the point of danger is remote.
Hazardous-The location of an object so accessible that it permits contact which may result in injury.
34 Pa. Code § 29.161