chalky deposit in a water-boiler. (c) by uli nusko, ch-3012 bern

- Image ID: ACN1KC
chalky deposit in a water-boiler. (c) by uli nusko, ch-3012 bern
uli nusko / Alamy Stock Photo
Image ID: ACN1KC
chalky deposit in a water-boiler. (c) by uli nusko, ch-3012 bern
Location: Bern, Schweiz