機器
background
blade
circle
circular
construction
craftsman
cut
dark
disc
electric
electrical
engineering
equipment
factory
fire
flash
flying
grind
grinder
hand
industrial
industry
iron
job
light
man
manual
manufacturing
metal
power
production
protection
round
saw
spark
sparkle
sparks
speed
steel
structure
technical
technology
tool
welding
wheel
white
work
worker
workshop