Dual-float ay ɛn lɔw lɛvɛl switch dɛn de gi wan pan di we dɛn we pɔsin kin abop pan fɔ manej pɔmp sistɛm dɛn, we de gi di ɔpreshɔn dɛn difrɛn trip pɔynt dɛn fɔ aktiveshɔn ɛn shutdɔwn.
Indastrial wata sistem nid fɔ gɛt inschrumɛnt dɛn we go de te, we go mek dɛn ebul fɔ wok na say dɛn we tin tranga ɛn we nɔ go ambɔg di sef ɔ di efyushɔn.
Di fiul stɔrɔj ɛn transfa sistem dɛn de wok ɔnda strikt sefty rikwaymɛnt dɛn, ɛn ivin smɔl ovasayt we dɛn de wach di lɛvul, dat kin mek dɛn gɛt prɔblɛm dɛn.