機器
blue
bright
build
burnish
burnishing
casting
circle
cut
dangerous
electric
enterprise
facilities
factory
finishing
fire
flame
grind
grinder
hot
industry
iron
light
luminous
machinery
manual
metal
metallic
motion
person
polish
polishing
processing
production
red
safety
scene
shine
smelting
spark
sparkles
speed
splash
steel
steelmaking
temperature
tool
work
worker