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Amafya ayaishibikwa kuti yapwishiwa ngefi. Pa kufimba, mutembo mutembo kwata ibotolo lya reagent ne cimuti ca muti—mwibomfyapo umupeto wa cimuti. Ukufiita kwa langi kulangilila ukusansa kwa ciputulwa, uko kuti kwaposhiwa ukupitila mu kubwesha umutengo walinga uwa sulfure. Amasuko ya makumbi yalingile ukusendwa ilyo bashilapima umusango, ukubomfya amapepala ya kusefa ayacepa aya misango ibili. Nga ca kutila icalembwa pa botolo lya fya kupangapanga capona, mu kwangufyanya mulelembapo na kabili ukubomfya icishibilo ca menshi, no kulemba ubushiku bwa kwiswila.