Uma iphaneli ingacindezelwa, ukushintshwa kwe-membrane kusesimweni esivamile, othintana nabo abaphezulu nabaphansi banqanyuliwe, futhi isendlalelo sokuzihlukanisa sisebenza njengokuzihlukanisa kwemigqa engenhla nephansi;Lapho iphaneli icindezelwa, ukuthintana kwesekethe ephezulu konakala kuye phansi, kuhambisane ne...
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