Bildnachweis

Folgende Bild-Lizenzen wurde auf stock.adobe.com erworben:

Science laboratory test tubes , laboratory equipment #233048608 von BillionPhotos.com

Large copper power cable in section #219435826 von Sergey Ryzhov

Science Molecule DNA Model Structure, business teamwork concept #76548751 von alice_photo

medical stetoskop isolated on a white background #207867999 von Ruslan Ivantsov

Electrical terminal in junction box and service by technician. Electrical device install in control panel for support program and control function by PLC. routine visit check equipment by technician. # 174787968 von currahee_shutter

Kunsstoffgranulate von sarikhani auf Fotolia.com