Umshini Wokukhishwa KweBhola LeMphisi: Vula Imiphakathi YokuPhutha Kwizimali Nezimali Ezenziwayo
Isiphakamiso sesiseko sefanekelo lefudukaziyo yezixhobo zokuphuma kwesihlangu sikhululekile kumsebenzi walo njengendawo ebalaseleyo yokuthutha ukudinga okuphakade kwezihlangu esiphilweni ngempela. Ngelixa ixesha elizayo likhula—likhokelelwa ngokongeza kwabantu nokugcina kakhulu kumhlaza ongenamagwala—izindlu zemifuno nezixhobo zokwenza izihlangu zihlale zihlale ziyaphazanyiswa ukwenza amafomu amakhulu, amatholakala, ngezimali ezinobuchule. Le zixhobo zivumela ukuphuma kwezimboni ezibalaseleyo (njenge-nylon, polyethylene, ne-polypropylene) kuze kube khange kakhulu, kuvikelela ukwakhiwa kwezihlangu ezahlukene (izihlangu zokuhlamba, izihlangu zokuphatha, izihlangu zokubamba) ezingconyelwayo nezindlela ezahlukene zokuhlamba. Inkinga yalo yokunika inani elikhulu ngelishaa lokuba yilowo mlando ikhange kakhulu kufuna kwezimali, futhi kuyoba yinto engalinyenzekiyo kuzindlu ezikhulu zokwakha izihlangu.
Ngaphandle kwehlobo lefutha lenyawo, izinhlelo zokukhipha izivivinyo ziyakhula emsindini wasezintsheni esandleni, kuvulela indima entsha yezinkomba. Ukwalwa kwamanzi (ukwalwa kweenkawu, iqwashi, nezikhumba) kusebenzisa kakhulu izivivinyo ezithile—ngokuchaza izivivinyo zokubeka, izihlukanisa zezibane, nezivivinyo ezingavimba ukudla—ezidinga amashumi akhankanywe ngokucophelela, ubumanga bokuphanda, nokulindela ukulahlekelwa nguamanzi. Ubunzima bezinhlelo ekukhethweni kwezivivinyo (ubude bezigaba, ubuningi bezivivinyo) bekuvumela abayenzayo ukulungiselela izivivinyo ngokulinganayo ngezidingo ezithile zokwalwa kumanzi, njengekuvimbela izilwane ezikhalwayo noma ukulungiselela kwiindawo ezahlukene zemanzi (amanzi aphantsi vs. amanzi anesalathi). Ngelixa ukwalwa kamanzi kungenxa kakhulu kwezicelo eziphakade ezintathu kunye, lo msebe uyisiphumo esikhulu sokuthuthuka kwezinhlelo.
Ukuthuthukwisa kwezinhlelo zokwenza izixhumanisi zokudonsa kusikaqalisa futhi imikhawulo yokusebenzisa izixhumanisi zokudonsa ngokuvumelanisa nazo izinhlelo zempilo yesifazane kanye nefficiency. Manje amanothuli ahlelekile aqhutshwa kuzinyathelo (isibonelo, ukudonsa okugcinwe ngokomthetho, ukubeka isimo sokhokelo ngexesha elithile) ukuze kube yimali engaphansi kakhulu kanye nokunyusa kwamathambo, ngelishanu likhulula ukusebenzisa iziphiwo ezivuselelwe noma i-polymers evela emhlabeni. Lokhu kusiza abakhiwa kuzixhumanisi zokudonsa ukulungiselela izimpendulo eziningi kakhulu zezimali (isibonelo, ukulahleka kwezixhumanisi ezisetshenziswa khona kuphela, izidingo zezixhumanisi ezinokuvuselelwa), kodwa futhi kusiza ekuthengeni okuphila kakhulu kubathengi abaqondene nempilo (izindlu zokudonsa, izihlahla zokudonsa emanzini, kanye nezinhlelo zokuthengisa). Ngokuvikela ukwakhiwa kwezixhumanisi zokudonsa ezinezindleko ezincane, lezi zixhumanisi zihlela njengendlela eyodwa yokuguquguquka kwezimali kuya endleleni enzima, kusikaqalisa indlela ethembekile kakhulu ezimalini ezibalaseleyo kanye nezintsha.
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