Assertion: hard drive | /r/CapableOf | treat the disk
Facets:
value: for bidirectional compatibility
type: PURPOSE
value: for economical reasons.[clarification
type: CAUSE
Source sentences:
text: A hole on one side of a ​3 1⁄ 2 ‑inch disk can be altered as to make some disk drives and operating systems treat the disk as one of higher or lower density, for bidirectional compatibility or economical reasons.[clarification needed]