Quellverweis

Bildquellen der Bilder

Cute girl with pelt cap leans over a radiator to keep warm © Karin & Uwe Annas – Fotolia.com
https://de.fotolia.com/id/44608791

Woman bathing with pleasure © Anna Om – Fotolia.com
https://de.fotolia.com/id/92045392

План разводки водоснабжения. © maikal7774 – Fotolia.com
https://de.fotolia.com/id/115929194

Shawer head with flow of water spilling out © mettus – Fotolia.com
https://de.fotolia.com/id/92181398

Equipment, cables and piping in red tones © Andrei Merkulov – Fotolia.com
https://de.fotolia.com/id/127160118

Smiling technician repairing an hot-water heater © Minerva Studio – Fotolia.com
https://de.fotolia.com/id/98088325