機器
alloy
aluminum
auto
automobile
bent
block
car
carbon
crankshaft
cylinder
damaged
deposits
detail
drive
engine
engineering
failure
garage
industrial
industry
inside
isolated
maintenance
mechanic
mechanical
metal
metallic
moto
motor
oil
old
parts
people
piston
repair
rod
rusty
service
silver
soot
steel
technical
transport
transportation
truck
used
vehicle
work
workshop