相似主題
英文關鍵字
close up
design
closeup
equipment
metal
shop
clothing
plant
up
close
steel
man
current
electric
industrial
power
technology
hands
machine
smoke
construction
industry
contact
working
work
metallic
production
manufacturing
engineering
workshop
worker
footage
video
manufacture
mechanical
factory
process
spark
machinery
processing
welding
studs