Assertion: mullion's purpose | /r/CapableOf | divide adjacent window units
Facets:
Source sentences:
text: When dividing adjacent window units, its primary purpose is to provide structural support to an arch or lintel above the window opening.
text: When dividing adjacent window units, its primary purpose is to provide structural support to an arch or lintel above the window opening.
text: When dividing adjacent window units, its primary purpose is to provide structural support to an arch or lintel above the window opening.
text: When dividing adjacent window units, its primary purpose is to provide structural support to an arch or lintel above the window opening.
text: When dividing adjacent window units, its primary purpose is to provide structural support to an arch or lintel above the window opening.