Fuel/water level switch hi tank chhunga fuel emaw tui emaw level hriat theihna atana hmanraw pawimawh tak a ni. Liquid level nen a sang emaw a tlahniam emaw float mechanism hmangin a thawk a ni. Float hian level ruat lawk a thlen chuan switch a trigger a, control system ah signal a thawn thin. He signal hi pump start, valve tihtawp, operator hriattirna ang chi thiltih tan nan hman theih a ni. Level switch hi a tlangpuiin boruak khirh tak tuar thei tur thil chhe thei lo atanga siam a ni a, chi hrang hrang, mechanical, capacitive, leh ultrasonic te pawh a awm a, liquid chi hrang hrang leh tank size hrang hrang nena inmil turin a awm bawk. Industrial, automotive, leh residential setting-a overflows venna leh a hnathawh thatna kawngah hmun pawimawh tak a chang a ni.