Here's a job ad for a Helper/Apprentice position based on your Air Duct Cleaning Technician posting:
Air Duct Cleaning Helper/Apprentice – Ocean County
Apex Air Duct Cleaning
Air Duct Cleaning Technician Apprentice
HVAC INSTALLER TECHNICIAN
AUTOMOTIVE MECHANIC/TECHNICIAN
Aquarium Maintenance Technician
Irrigation and Lighting Technician
Auto body Technician
Metal Fabrication Shop Technician