self - shoc
- separation command
- separation distance
- separation filter
- separation interval
- separation joint
- separation line
- separation of forces
- separation of isotopes
- separation of tracks
- separation plant
- separation propulsion engine
- separation ring
- separation shock
- separation speed
- separation subsystem
- separation surface
- separation system
- separation test facility
- separation test vehicle
- separation velocity
- separator conveyer
- sequence
- sequence compatibility firing
- sequence control
- sequence control register
- sequence valve
- sequential carry
- sequential circuit
- sequential control
- sequential firing
- sequential mechanism for automatic recording and testing
- sequential sampling
- serial accumulator
- serial number
- serial production
- serial register
- series
- series circuit
- series connection
- series electric firing circuit
