Isipetu sikagesi iyisisetshenziswa esikwazi ukwenza imijovo ngendlela ezenzakalelayo, futhi izingxenye zayo ezibalulekile zihlanganisa umthombo wamandla, umzimba wesirinji, kanye nesistimu yokulawula. Phakathi kwazo, umthombo wamandla idivayisi, ngokuvamile ibhethri noma ukunikezwa kwamandla, ehlinzeka ...
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