機器
abrasive water
abstraction
background
bright colors
business
chipboard
cnc
computer
construction
cropping
cutting
decor
design
environment
factory
foam
foam rubber
high pressure
industry
large closeup
liquid
machinery
machining
material
material cutting
metal
metal structures
pattern
plastic
plywood
porous material
precision
production
road marking
steel
symbols
technology
tool
vintage
water
water cutting
wood
work