IIMPAWU: I-alam yokuzikhusela, Kwimeko yengozi okanye unxunguphalo, vula iswitshi kwaye ngokukhawuleza ukhale i-alam ye-decibel ephezulu, Isetyenziswa kakhulu kumantombazana, abafundi, abantu abadala abanesithukuthezi ukuba bafumane uncedo, inkangeleko esefashonini, ekulungeleyo ukuthwala Imisebenzi: 1. Khupha iphini, iya kuvusa kunye nesibane esidanyazayo 2. P...
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