英文關鍵字
activity
and
angle
architecture
asia
back
black
building
class
conditions
construct
construction
contemporary
dangerous
day
development
exterior
extreme
fold
folding
group
hammer
housing
industrial
industry
job
labor
laborer
lit
long
low
man
manual
men
occupation
outdoors
outside
people
project
safety
scaf
shot
silhouette
site
skyworking
steel
structure
time
tool
unfinished
unsafe
white
work
worker
working