機器
assembly
background
bars
blanks
building
business
company
complex
concrete batching plant
construction
development
engineering
enterprise
equipment
facility
factory
hands
indoors
industry
machining
male
man
manufacturing
material
mechanism
metal
metallurgy
parts
person
plant
processing
producing
production line
resource
sparkles
specialist
structure
technology
turner
welding
work
worker
working
workpieces
workshop
young