air
auto
automobile
automotive
broken
car
caucasian
change
combustion
compressor
conditioner
conditioning
coolant
detection
engine
equipment
examine
filter
fix
garage
hand
hvac
industrial
industry
inspection
internal
maintenance
male
mechanic
mechanical
meter
motor
oil
people
person
pressure
profession
radiator
refilling
repair
repairman
service
steel
system
technician
technology
tool
transportation
vehicle
working