electronic circuit scheme on chalk board background
Schlüsselwörter
school,
blackboard,
board,
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chalk,
education,
vector,
teacher,
border,
class,
template,
signs,
frame,
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circuit,
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engineering,
digital,
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electrical,
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industry,
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diagram,
electric,
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schematic,
wire,
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resistor,
plan,
scientific,
research,
physics,
science,
transistor,
component,
technically,
tech,
abstract,
modern,
circuitry,
draft,
contour,
path,
diode,
capacitor,
drawing,
university
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