Assertion: drainage adit | /r/HasProperty | driven for this purpose
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: Because of the great reduction in ongoing costs that a drainage adit can provide, they have sometimes been driven for great distances just for this purpose, one such being the Milwr tunnel in North Wales, which is about ten miles (16 km) long.
text: Because of the great reduction in ongoing costs that a drainage adit can provide, they have sometimes been driven for great distances just for this purpose, one such being the Milwr tunnel in North Wales, which is about ten miles (16 km) long.