英文關鍵字
abstract
arc
assembly
background
bokeh
bright
car
color
construction
craftsman
decoration
design
equipment
factory
fire
flash
focus
garage
glitter
gloves
glowing
industrial
industry
iron
job
labor
light
man
manufacture
manufacturing
mask
metal
motion
pattern
protection
repair
safety
shiny
skill
slow
smoke
spark
steel
structure
technical
video
welding
work
worker
workplace