英文關鍵字
factory
machine
paper
technology
mill
roller
conveyor
manufacturing
industry
manufacture
press
production
equipment
papermaking
workshop
steel
drum
rotate
carry
tissue
material
plant
transport
strip
roll
sheet
fabric
rotating
line
operate
recycle
cellulose
environment
fibre
maintenance
industrial
facility
organization
produce
section
ecology
offset
work
closeup