Assertion: present brattice | /r/HasProperty | removed
Facets:
Source sentences:
text: When more permanent ventilation control brattices are installed, the present brattices 10 may be removed and twistably folded for storage, in the reverse of the operation shown in FIGS.
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: When more permanent ventilation control brattices are installed, the present brattices 10 may be removed and twistably folded for storage, in the reverse of the operation shown in FIGS.
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,