In Rome, where a hard-water supply was the norm, mains pipework was shallowly buried beneath road kerbs, for ease of access; the accumulation of calcium carbonate in these pipes would have necessitated their frequent replacement.
Di Roma, di mana keras-air supply adalah norma, listrik pipa itu dangkal dikubur di bawah jalan tepi jalan, untuk kemudahan akses; akumulasi kalsium karbonat dalam pipa-pipa ini akan mengharuskan mereka penggantian sering.