![](http://www.alamy.com/thumbs/6/C4B0BEA3-27DA-47B1-90A7-C71D529DC6E0/J5D2EA.jpg)
channel lid cast iron subterranean energy supply conduit long-distance heating
Size: 4536px × 3024px
Photo credit: © sabinexd / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: cast, channel, conduit, energieversorger, energy, heat, heating, iron, lid, long-distance, subterranean, supply, warmth, wrmeversorgung