英文關鍵字
accuracy
arc
automate
blur
computer
computerized
computernumericalcontrol
conceptual
construction
dark
digitally
drilling
engineering
fabrication
fabricator
hole
lathe
machinery
machining
making
manufactured
manufacturing
materials
melting
metal
metallic
milling
motion
nobody
operation
order
processing
product
repair
robot
robotic
safety
sheet
sparks
switches
technology
turning
work
working
workshop