A tneɣlif n tnezzag n tnubit n Cistern Inlet Valves: Kullec n kra n tḥwajed ad t-teẓreḍ deg umaḍal n tmeɣlift, Ɣef wagiz-nni ttwali-d d tamebsiwt n tḥess. Maca, deg texxamt-a n ufaḍen ay yesɛa ssbiɣen imuhumen ay tḥeqqen ad xeddmeɣ. Yiwen seg yimsamt-a aqeṛṛiwin d nettat ay d aɣef n uɣlift n uɣlift n tmerwin n tmerwint**. Amagrad-a yesɛa d ineg-nnek n uɣef-ik ad tfehmem