英文關鍵字
worker
safety
male
man
person
helmet
protective
work
ladder
professional
stepladder
repair
builder
equipment
repairman
tool
construction
maintenance
adult
building
industry
job
business
occupation
background
handyman
carpenter
metal
architecture
climbing
renovation
contractor
feet
house
room
tools
climb
extension
constructor
fall
uniform
apartment
electrician
african
labor
technician
belt
aluminum
installation
people
harness
green
old
senior
step