Hand holding a sticky note with ringing alarm clock picture over reminder textDas Bild Hand holding a sticky note with…

Silhouette of hands trying to connect european plug isolated over white backgroundDas Bild Silhouette of hands trying to connect european…

Energy rating chart with Go Green textDas Bild Energy rating chart with Go Green text von Marco Verch kann unter…

Energy rating chart with lightbulbDas Bild Energy rating chart with lightbulb von Marco Verch kann unter Creative Commons Lizenz genutzt…

Energy rating chart with lightbulb on white backgroundDas Bild Energy rating chart with lightbulb on white background von Marco Verch…

Power Supply 48v for LED CNC and otherDas Bild Power Supply 48v for LED CNC and other von Marco Verch…

Power Supply for LED CNC and otherDas Bild Power Supply for LED CNC and other von Marco Verch kann unter…

Designer for studying electricity generation with a solar panel and a voltmeterDas Bild Designer for studying electricity generation with a…

Educational constructor for studying electricity generation with fan and solar panelDas Bild Educational constructor for studying electricity generation with fan…

Children's educational constructor for studying electricity generationDas Bild Children's educational constructor for studying electricity generation von Marco Verch kann unter…