intake shaft - a tube that connects to the piping or
penstock which brings the water into the turbine
water nozzle - a nozzle which shoots a jet of water
(Impulse type of turbines only)
runner - a wheel which catches the water as it
flows in causing the wheel to turn (spin)
generator shaft - a shaft that connects the runner to
the generator
generator - a unit that creates the electricity
exit valve - a tube or shute that returns the water to
the stream from where it came
powerhouse - a small shed or enclosure to protect
the water turbine and generator from the elements