Marque de fabrique = Trade-mark.
Face
Il fera face à tout = He will meet every demand.
Ce portrait est pris de face = That portrait is taken full face.
Jouer à pile ou face = To play at heads or tails, pitch and toss.
Il le regarda bien en face = He looked him straight in the face.
Façon
Donner un ouvrage à façon = To put out a job to be done.
On travaille à façon (of small tailors, etc.) = People’s own materials made up.