機器
accuracy
angular
art
blade
bulgarian
circle
circular
control
cut
disc
drive
engineering
equipment
factory
handgrip
industrial
industry
iron
labor
machinery
man
manufacturing
material
metal
move
operator
placement
plant
polished
production
repair
safety
saw
sculptor
sculpture
security
skills
spark
spring
steel
strength
technology
texture
tool
tools
welding
wheel
work
worker