英文關鍵字
factory
steel
industry
stainless
coil
industrial
sheet
manufacturing
warehouse
alloy
roll
metallic
heavy
nickel
round
silver
stack
fabrication
grey
production
stock
surface
metalwork
processed
business
technology
tough
aluminium
stacked
grid
hard
manufacture
storage
gray
shaped
white
machine
material
aluminum
packed
hardware
horizontal
many
spiral
strong
rough
circular
tin
packaging