Iindaba
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Iingenelo ezingapheliyo eziziswa iiplastiki ezinokonakala ngebhayoloji ebantwini
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Imbali yokupakishwa
Ukupakishwa kwale mihla Uyilo lokupakisha lwangoku lulingana nokuphela kwenkulungwane ye-16 ukuya kwinkulungwane ye-19. Ngokuvela kweshishini, inani elikhulu lokupakishwa kwempahla lenze ukuba amanye amazwe aphuhla ngokukhawuleza aqale ukwenza ishishini lemveliso yokupakisha eyenziwe ngomatshini. Ngemimiselo yokuba...Funda ngokugqithisileyo -
Zeziphi iingxowa zokupakisha ezonakeleyo kunye neengxowa zokupakisha ezonakaliswa ngokupheleleyo?
Izingxobo zokupakisha ezonakeleyo zithetha ukuba zinokuthotywa, kodwa ukuthotywa kungahlulwa zibe "zinokonakala" kunye "nokonakala ngokupheleleyo". Ukuthotywa ngokuyinxenye kubhekiselele ekongezeni izongezelelo ezithile (ezifana nestatshi, isitashi esilungisiweyo okanye enye icellulose, iiphotosensitizers, biode...Funda ngokugqithisileyo -
Umkhwa wokuphuhliswa kweengxowa zokupakisha
1. Ngokweemfuno zomxholo, isikhwama sokupakisha kufuneka sihlangabezane neemfuno ngokwemigaqo yemisebenzi, efana nokuqina, iipropati zokuthintela, ukuqina, ukutshisa, ukukhenkceza, njl njl. Izinto ezintsha zingadlala indima ebalulekileyo kulo mbandela. 2. Gxininisa ubutsha kunye nokwandisa...Funda ngokugqithisileyo
