Closeup of interlocking metal gears with sparks
Schlüsselwörter
gear,
metal,
spark,
closeup,
interlocking,
industrial,
machinery,
manufacturing,
engineering,
technology,
equipment,
cog,
wheel,
friction,
fire,
heat,
motion,
movement,
power,
energy,
workshop,
factory,
production,
industry,
work
Deutsch
