Gears and cogs in motion generating power
Palabras clave
gear,
mechanism,
clock,
gear,
metal,
watch,
wheel,
machine,
clockwork,
technology,
mechanical,
steel,
industry,
engineering,
time,
cog,
cog,
part,
cogwheel,
industrial,
old,
machinery,
motion,
engine,
business
){kind=link}