How do they match: Helpers--Installation, Maintenance, and Repair Workers

  • Hydroelectric Machinery Mechanic Helper
  • Technician's Helper
  • Airframe and Power Plant Mechanic Helper
  • Electrician Technician
  • Facilities Maintenance Technician
  • Installation Technician
  • Instrument Technician Helper
  • Lighting Technician
  • Maintenance Technician