Loko u tirha na tisisiteme ta hayidiroliki, wa switiva leswaku i swa nkoka ku fikela kwihi ku tiyisisa leswaku switirhisiwa swa wena swa tihoyisi swi crimped kahle. Ku crimping lokunga fanelangiki swinga endla leswaku kuva na ku vupfa, kuhunguteka ka matirhelo, hambi kuri ku tsandzeka ka sisiteme. Hi yona mhaka leyi ku twisisa nkoka wa ku crimping kahle swi nga swa nkoka. Eka xihloko lexi, hi ta .
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