Kummandla oguquguqukayo wokwenziwa kwemveliso, isitofu sokubumba simi njengobuchule belitye lembombo, siguqula iplastiki ekrwada ibe yintaphane yezinto ezintsonkothileyo nezisebenzayo. Njengomvelisi okhokelayo wezinto ezinokubola, iiplastiki zobunjineli, iikhompositi ezikhethekileyo zepolymer, kunye nealloys zeplastiki, ...
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