Backflow Preventer (Kɔ̀rɔbalen kɔsegincogo).
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Backflow balilan,TWS Valve
Aw ye kunnafoni wɛrɛw kalanBackflow preventer min bɛ kɛ kɛrɛnkɛrɛnnenya la jiko la ka bɔ duguba kɔnɔ ka taa nɔgɔbɔyɔrɔba la, ka dan sigi kosɛbɛ pibiliki tansiyɔn na walasa jiboli ka se ka kɛ sira kelen dɔrɔn fɛ. A baara ye ka pibiliki medium kɔfɛta bali walima cogoya o cogoya sifon ka segin kɔ, walasa ka kɔsegin nɔgɔli bali.
