Ho bopa ho potolohang, ho tsejoang hape e le ho bopa ho potolohang, ho bopa ha rotary, ho bopa ha rotary, joalo-joalo, ke mokhoa o se nang letho oa ho bopa oa thermoplastics. Mokhoa ke hore lisebelisoa tse tala tsa polasetiki li qala ho kenyelletsoa ka har'a hlobo, ebe hlobo e ntse e potoloha ka lilepe tse peli tse otlolohileng ebe e futhumatsoa. Tlas'a ...
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