Assertion: black phosphorus | /r/HasProperty | subjected to mechanical working
Facets:
value: to the air
type: TRANSITIVE-OBJECT
Source sentences:
text: Black phosphorus is only slightly reactive; it does not catch fire easily when ignited and therefore can be subjected to mechanical working and exposure to the air.
text: Black phosphorus is only slightly reactive; it does not catch fire easily when ignited and therefore can be subjected to mechanical working and exposure to the air.