英文關鍵字
arc
background
build
close
closeup
colourful
connect
construction
craftsman
dark
engineering
equipment
factory
fire
flash
gloves
hot
industrial
industry
job
labor
laborer
light
lights
machinery
man
manufacture
manufacturing
mask
metal
motion
prefabricate
production
protection
repair
safety
shop
skill
skilled
slow
smoke
spark
sparks
steel
street
structure
technical
technology
tool
weld
welder
welding
work
worker
workplace
workshop