1. Zithini ii-castors zemizi-mveliso? Ii-castors zemizi-mveliso ngamavili anzima enzelwe ukusetyenziswa kwezixhobo, oomatshini, okanye ifenitshala. Zenzelwe ukusingatha ubunzima obukhulu kunye nokunyamezela iimeko ezinzima ezifana nomphezulu ongalinganiyo, amaqondo obushushu aphezulu, kunye...
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