英文關鍵字
architect
background
black
builder
business
construction
contractor
crane
documentation
engineer
engineering
hard
hat
helmet
industrial
industry
isolated
male
man
orange
person
portrait
professional
safety
white
work
worker
yellow
英文關鍵字
architect
background
black
builder
business
construction
contractor
crane
documentation
engineer
engineering
hard
hat
helmet
industrial
industry
isolated
male
man
orange
person
portrait
professional
safety
white
work
worker
yellow