英文關鍵字
adult
air
conditioner
apartment
blue
caucasian
check
clean
climate
cold
condition
conditioning
construction
cool
cooler
electric
electrician
electricity
engineer
equipment
filter
fix
fixing
heat
home
hvac
indoors
install
installation
installing
job
maintenance
male
man
person
professional
repair
repairman
service
technician
technology
uniform
unit
ventilation
wall
work
worker
young
standing
ladder
drilling
hole