Manual Sprinkler Valves

sprinkler
A device used for watering lawns
mechanical device that attaches to a garden hose for watering lawn or garden
existence of fire suppression systems in the building.
An automatic fire extinguisher installed in the ceilings of a building
A device that sprays water
Sprinkler was short lived Grunge band from Portland, Oregon that debuted in 1992.

manual
Of or done with the hands
manual of arms: (military) a prescribed drill in handling a rifle
(of a machine or device) Worked by hand, not automatically or electronically
Using or working with the hands
a small handbook
of or relating to the hands; "manual dexterity"

valves
A membranous fold in a hollow organ or tubular structure, such as a blood vessel or the digestive tract, that maintains the flow of the contents in one direction by closing in response to any pressure from reverse flow
(valve) control consisting of a mechanical device for controlling the flow of a fluid
A cylindrical mechanism in a brass instrument that, when depressed or turned, admits air into different sections of tubing and so extends the range of available notes
A device for controlling the passage of fluid through a pipe or duct, esp. an automatic device allowing movement in one direction only
(valve) a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
(valve) device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone