機器
background
banner
blur
bright
clean
construction
copy space
cut
electrial
electric
equipment
fabrication
factory
fire
flash
grinder
hand
hands
hot
industrial
industry
iron
job
labor
light
machinery
man
manufacture
manufacturing
metal
person
pole
power
process
production
repair
rusty
safety
spark
steel
structure
technical
technology
tool
welder
welding
wheel
work
worker