stri - supr
- striated
- strike
- striking
- striking of spark
- striking voltage
- string
- string insulator unit
- string of insulators
- string wire
- stringer
- stringing
- stringing block
- stringing chart
- stringing power chart
- stringing wire
- strip
- strip chart recorder
- strip core
- strip fuse
- strip of fuses
- strip tool
- strip-chart record
- strip-shart record
- strip-wound core
- stripped atom
- stripper
- stripping
- stripping pliers
- stripping tongs
- stroage-battery car
- stroboscopic effect
- stroke current
- stroke of lightning
- strong coupling
- strong dependence
- strong focusing
- strong radiation
- strong tie
- strop insulator
- structural behaviour
