2. Labio-Dental (/f/, /v/):
الشفاه والاسنان
بحيث تتجه الشفاه السفليه الى الاسنان حين نطق حرف f او v
The English labiodental consonants [v] and [f] are made by pressing the bottom lip against the upper row of teeth and letting the air flow through the space in the upper teeth.
produced by constriction between lower lip and upper teeth
in English, all labio-dental phonemes are fricatives
EX: /f/ fan, phone /v/ view, vision