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英文關鍵字
design
shiny
decoration
bright
equipment
texture
light
industrial
smoke
construction
industry
hot
work
job
burn
fire
glow
heat
production
manufacturing
flare
flash
blurred
Arc
engineering
workshop
worker
workplace
spark
corridor
craftsman
ironwork
welding
bokeh
welder
metalwork
weld
black and white
blurred background
circle background
arc welding
welding sparks
engineering works