However, peaceful uses are shown by their early development of the watermill, a device which pointed to further exploitation on a large scale under the Romans.
[6] The technology, which demonstrated the Greek understanding of the importance of hygienic conditions to public health, was part of an elaborate drainage system and underground water supply network.
[6] The Greeks developed extensive silver mines at Laurium, the profits from which helped support the growth of Athens as a city-state.
Elaborate washing tables still exist at the site, which used rainwater held in cisterns and collected during the winter months.
The extracted ore were lifted by small skips hauled by a rope that was sometimes guided by a wheel placed against the rim of the mine shaft.