LIQUID LEVEL CONTROL SYSTEMS COMPRISED OF A LIQUID LEVEL CONTROLLER, NAMELY, A CONTROL PANEL WITH CONTROL RELAYS INTERFACED WITH FLOAT LEVEL SENSORS COMPRISED OF MAGNETIC FLOAT, GUIDE TUBE, HOLDER WITH TERMINAL BLOCK AND REED SWITCHES

FATTY ACID FLOTATION REAGENT

LIQUID LEVEL CONTROL APPARATUS AND COMPONENTS THEREFOR

PREFABRICATED CONCRETE FLOAT UNITS USED TO PROVIDE FLOATING WHARF