Assertion: duct | /r/CapableOf | extend betweenadjacent vaults
Facets:
Source sentences:
text: From the foregoing detailed description it will be 'clear that the duct terminator of the present invention provides a practical and convenient means for'formin'g passages in the concrete walls of underground vaults for conveniently receiving the extremities of ducts extending betweenadjacent vaults.