knuckle-bender splint (Kb splint)

2D folding simulation

active folding

actuator for folding fin stabilizer

alpine folding

Alpine type folding

Alpine type of folding

arc of folding

Arm folding

arm-folding

array folding adder

asymmetric folding

auto-folding

automatic folding and threadsealing machine

automatic folding machine

automatic folding umbrella

autonomously folding unit

axial belt of folding

axial plane folding