機器
燃やす
explosion
3d
assemble
clockwork
cogwheel
collaborating
collapse
combination
conjunction
connected
connecting
connection
cooperation
energy
engine
engineer
engineering
exhausted
explosive
fire
gear
industry
join
joint
machinery
mechanic
mechanical
mechanism
merger
merging
move
overwork
part
power
precision
problem
progress
rendering
risk
rotate
speed
spin
stress
system
teamwork
technology
trouble
turn