Assertion: pipe sprinkler system | /r/CapableOf | employ automatic sprinklers
Facets:
Source sentences:
text: A dry pipe sprinkler system is sprinkler system employing automatic sprinklers that are attached to a piping system containing air or nitrogen under pressure, the release of which (as from the opening of a sprinkler) permits the water pressure to open a valve known as a dry pipe valve, and the water then flows into the piping system and out the opened sprinklers .