Fuel/water level switch hi tank chhunga fuel emaw tui emaw level enfiahna atana hmanraw pawimawh tak a ni. Liquid level nena kal dun float mechanism hmangin a thawk a ni. Float hian set point a thlen chuan switch a activate a, control system ah signal a thawn thin. He signal hian pump start, valve khar, operator hriattir ang chi thiltih a tichhuak thei a ni. Thil chak tak tak hmanga siam niin, switch hi boruak khirh tak tuar thei tura siam a ni a, chi hrang hrang, mechanical, capacitive, leh ultrasonic te a awm a, liquid leh tank size hrang hrang dah theihna tur a ni.