centrally ported radial piston pump

single ported thermostatic expansion valve

single ported slide valve

ported vacuum controlled EGR system

ported sub

ported disc

ported ceramic plaque

ported

optically ported CRT

dual ported RAM

dual ported memory

dual ported

double ported valve

double ported slide valve

double [ported] slide valve

dou- ble ported thermostatic expansion valve

single ported valve

treble ported slide valve