Assertion: aerosol's use | /r/CapableOf | turn off the spag-2 device
Facets:
Source sentences:
text: These include administration of Virazole in negative pressure rooms; adequate room ventilation (at least six air exchanges per hour); the use of scavenging devices; turning off the SPAG-2 device for 5 to 10 minutes prior to prolonged patient contact; and wearing appropriately fitted respirator masks.