英文關鍵字
aluminium
background
bay
black
cable
cabling
carousel
circle
coil
collecting
conductor
connection
copper
cylinder
detail
electric
electrical
energy
equipment
factory
heavy
industrial
industry
iron
line
long
lots
manufacturing
metal
metallic
outdoor
product
reel
roll
round
spool
stainless
steel
storage
strong
technology
warehouse
winding
wire
wooden
working
wrap