Assertion: custodian's job | /r/HasProperty | involved in maintaining
Facets:
Source sentences:
text: This occupation includes jobs involved in disassembling, repairing, testing, troubleshooting, examining, fitting, modifying, maintaining, installing, and determining serviceability of aircraft survival and flight equipment such as helmets, torso harness assemblies, preservers, parachutes, life rafts, chemical and biological protective devices, survival kits, oxygen masks, and anti-Gsuits.