African american apprentice informing master technician over the phone about air conditioner parts needing to be replaced. Mechanic checking maintenance plan after finishing air filters cleaning

Related tags:

• air conditioner repair
• install
• repairman
• technician
• electrician
• maintenance technician
• ventilation
• mechanic
• maintenance worker
• electrical work
• electrical installation
• repair
• electrical engineer
• maintenance
• phone repair
• contractor
• worker
• fix
• engineer
• cleaning
• fan
• broken phone
• electric fan
• work
• plan
• master
• 20+