parallelepiped
parallelepipedon
parallel-feedback
parallel-flow
paralleling
parallelism
parallel-lines
parallel-mirror
parallelogram
parallel-phase
  parallel-pin
parallel-plane
parallel-plate
parallel-rectangular-bar
parallel-redundant
parallel-serial
paralysis
paramagnetic
paramagnetic-resonance
paramagnetism
parameter

    parallel-pin rotary gap

    вращающийся разрядник с параллельными штырьками