Kostenlose Bilder
von Marco Verch unter Creative-Commons-Lizenz
13 kostenlose Efficiency Fotos zum Herunterladen
13 Fotos
32
0
CC 4.0
KI
Wärmepumpe im modernen Garten vor Hausfassade
15
0
CC 2.0
Marco Verch
Energy rating chart with Go Green text
11
0
CC 2.0
Marco Verch
Power Supply for LED CNC and other
7
0
CC 2.0
Marco Verch
Hand holds sticky note with alarm clock as a reminder
17
0
CC 2.0
Marco Verch
Energy rating chart with lightbulb
15
0
CC 2.0
Marco Verch
Energy rating chart with lightbulb on white background
25
0
CC 4.0
KI
Schnelles Landwirtschaftsfahrzeug zieht Staubwolke
11
0
CC 2.0
Marco Verch
Power Supply 48v for LED CNC and other
10
0
CC 2.0
Marco Verch
Kids learning electricity with an educational building kit
32
0
CC 4.0
KI
Wärmepumpe vor modernem Haus als nachhaltige Heizlösung
7
0
CC 2.0
Marco Verch
Hands connecting a European plug — silhouette view
8
0
CC 2.0
Marco Verch
DIY kit for learning about solar and wind electricity
6
0
CC 2.0
Marco Verch
Solar panel with voltmeter for electricity experiments