4 images: thermal power engineering, gears, switch element, prin
Schlüsselwörter
three-dimensional,
vector,
illustration,
icon,
set,
concave,
background,
circle,
bubble,
square,
shadow,
concept,
conceptual,
decoration,
design,
graphic,
power,
coal,
engineering,
energy,
thermal,
energetic,
chimney,
factory,
gear,
cogwheel,
pinion,
tool,
machine,
element,
sprocket,
toothed,
switch,
symbol,
off,
closer,
choice,
click,
control,
electric,
printer,
computer,
equipment,
clip,
document,
interface,
cyberspace
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