英文關鍵字
arm
blade
circle
construction
cut
cutting
disc
disk
equipment
gloves
hand
heat
hot
icon
industrial
industry
job
light
lighting
machine
male
man
manual
manufacturing
metal
metalwork
metalworking
natural
occupation
people
person
power
real
rebar
rotate
saw
sawing
spark
steel
technician
time
tool
wheel
work
worker