Glühbirne Frage Antwort
Palabras clave
problem,
response,
question mark,
call sign,
light,
lamp,
pear,
colourful,
colours,
circle,
network,
networked,
business,
floating,
brain wave,
idea,
bulb,
symbol,
motivation,
creativity,
intelligence,
concept,
resolution,
lamp,
development,
innovation,
abstract,
object,
technology,
effectiveness,
simplicity,
drawing,
electricity,
illustration,
activity,
technology,
art,
energy,
industry,
energy conservation,
success,
topic
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