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Enye yeenzuzo eziphambili zengxowa ye-retort kukukwazi ukuma ngokuthe tye kwiishelufu zevenkile, ukubonelela lula kubathengi kunye nokwandisa ukubonakala kwemveliso.Ikwabonisa i-zipper ephinda ivaleke okanye i-spout, evumela ukuvula lula kunye nokuphinda kuvalwe, enceda ukugcina ukutsha kwemveliso kunye nokwandisa ubomi beshelufu.
Ukongeza kwiinzuzo zayo zokusebenza, isikhwama sokubuyisela kwakhona sinobuhlobo bendalo.Ikhaphukhaphu kwaye ifuna amandla amancinci kunye nezixhobo zokuvelisa xa kuthelekiswa neendlela zokupakisha eziqhelekileyo.Ngaphezu koko, ubume bayo obuguquguqukayo buvumela ukuthutha kunye nokugcinwa ngokufanelekileyo, ukunciphisa ukukhutshwa kwekhabhoni ngexesha lokusasazwa.
Ngokubanzi, ibhegi ye-retort inikezela ngesisombululo sokupakisha esifanelekileyo, esomeleleyo, kwaye esizinzileyo soluhlu olubanzi lokutya kunye neemveliso zesiselo.Ukuguquguquka kwayo kunye nokukwazi ukugcina umgangatho wemveliso yenza ukuba ibe yinto ethandwayo kwishishini lokupakisha.