機器
business
circle
circular
cnc
construction
corundum
cut
cutting
detail
device
diamond
disc
energy
equipment
flash
glitter
grinder
grinding
industrial
industry
light
machine tool
manually
mechanical engineering
metal
metallic
metalworking
operation
plant
polishing
precision
processing
production
rotate
rotation
safety
saw
sawing
spark
speed
stainless steel
steel
stone
technology
tool
turning
wheel
work
workshop