Assertion: work output | /r/UsedFor | refer to the number of products
Facets:
value: with machines
type: OTHER
value: often
type: TEMPORAL
Source sentences:
text: When measuring people, work output often refers to the number of products a person produces or the number of items sold in a given period of time.
text: With machines, work output refers to the number of products a machine can produce in a given period of time.