efu nambāno
1. F-number; F number
Noun
1. F-number; F number
1. number
2. number plate; license plate
1. number one
1. number plate; license plate
1. fax; facsimile
2. fax machine
1. Number one; Best
1. If number one; When number one
1. Number one; Best
1. Probably number one.; Most likely the best.