機器
bench
blade
circle
circular
construction
cut
diamond
disk
drill
electric
engineering
equipment
factory
female
flash
girl
glasses
grind
grinder
hand
industrial
industry
iron
light
man
manual
manufacture
manufacturing
mechanic
metal
power
production
protection
rotate
round
safety
saw
sawing
spark
speed
steel
technical
technology
tool
treatment
welder
woman
work
worker