Assertion: lamp | /r/HasProperty | fxxty
Facets:
value: typically
type: DEGREE
Source sentences:
text: Lamps are typically identified by a code such as FxxTy, where F is for fluorescent, the first number (xx) indicates either the power in watts or length in inches, the T indicates that the shape of the bulb is tubular, and the last number (y) is the diameter in eighths of an inch (sometimes in millimeters, rounded-up to the nearest millimeter).