Njengoba isidingo somhlaba wonke sama-valve ezimboni sikhula, iShayina isibe yisisekelo somkhiqizi emkhakheni wama-valve. Abakhiqizi baseShayina banemikhiqizo ehlukahlukene ehlanganisa ama-valve ebhola, ama-valve esango, ama-valve okuhlola, ama-valve e-globe, ama-valve e-butterfly, nama-valve okuvala okuphuthumayo (ama-ESDV). Kulesi sihloko...
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