Assertion: present brattice | /r/HasProperty | lightweight
Facets:
Source sentences:
text: While the present brattice is not perfectly air tight, it serves as a temporary or emergency measure, and is lightweight, quickly erectable and removable, and cannot produce sparks in an explosive atmosphere,
text: While the present brattice is not perfectly air tight, it serves as a temporary or emergency measure, and is lightweight, quickly erectable and removable, and cannot produce sparks in an explosive atmosphere,