OSHA utilizes the expression “license required restricted space” (grant space) to depict a bound space that has at least one of the accompanying qualities: contains or can possibly contain a dangerous climate; contains material that can possibly overwhelm a contestant; has walls that combine internal or floors that slant descending and tighten into a more modest region which could trap or suffocate a participant; or contains some other perceived security or wellbeing peril, like unguarded hardware, uncovered live wires, or intensity stress.