safety equipment, namely hazardous gas detectors, respiratory systems comprised of air purifying respirators, supplied air respirators, ambient air compressors, cascade systems, low and high pressure hose, breathing air regulators and manifolds, breathing air carts and trailers used to supply grade "D" air to workers; confined space entry equipment, namely gas monitors, tripods and safety harness, fans and blowers, communications equipment (wired and wireless), protective clothing, air sample draw chemical tubes and pumps, grade "D" breathing air compressors, retrieval lines and winches, barriers, guard rails, alarms and safety lights, safety signage, lock out/tag out devices, decontamination chambers; personal protective equipment, namely eye, head, hand, foot and body protection
Electrical and Scientific Apparatus