LIQUID COLOR CLOSED LOOP REFILL METHOD AND APPARATUS

Method and apparatus for closed loop automatic refill of liquid color

Automatic adjustable valve

Double action float valve

Hanging pot water indicator

Sewage flushing

DISHWASHER WITH INTEGRATED LIQUID LEVEL DETECTOR

Swirl chamber with movable non-return valve and air injector for prevention of sedimentation in storm water and waste drains

Valve system

Device for controlling fluid flow from a tank

Rainwater collection and diverging system