Ft

ft
One foot was defined as one third of the Imperial Standard yard. The abbreviation of foot is ft
ft lb
Abbreviation of foot pound, Imperial unit of mechanical energy.
ft min-1
Abbreviation of Feet per Minute.
ft2
Imperial unit of area.
ft3
Cubic foot.
ft3s-1
Cubic foot per second.
F Temper
As Fabricated Temper - applies to products of rolling or forming where there is no special control over the thermal or work hardening conditions.
ft s-2
Abbreviation of Feet per Second Squared, an old imperial unit of acceleration.