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Melemo ea 4 ea Bohlokoa ea ho Sebelisa PVC Lefats'eng la Tlhahiso ea Lieta
Lefatše la boqapi le tlhahiso ea lieta le ntlafetse haholo lilemong tse makholo a mabeli tse fetileng.Ho se ho fetile matsatsi a ho ba le seluki se le seng se sebeletsang toropo kaofela.Khoebo ea indasteri ea indasteri e tlisitse liphetoho tse ngata, ho tloha kamoo lieta li etsoang kateng ho ea ho thekiso ...Bala haholoanyane -
Boitsebiso bo loketseng bakeng sa indasteri ea FOOTWEAR
Indasteri ea lieta e hloka lisebelisoa tse nang le khanyetso e phahameng ea mochine, bokhoni ba ho sebetsa, boqapi le ponahalo e phahameng.Lik'hemik'hale tsa PVC li entsoe ka mokhoa o ikhethileng ho fihlela litlhoko tsena.Ho etsoa ha metsoako ea PVC ho lumellana le ...Bala haholoanyane -
Histori ea PVC
Lekhetlo la pele la ho sibolloa ha PVC e bile ka kotsi ka 1872 ke setsebi sa k'hemistri sa Jeremane, Eugen Baumann.E ne e entsoe joalo ka ha botlolo ea vinyl chloride e siiloe e pepesitsoe ke khanya ea letsatsi moo e entseng polymerized.Qetellong ea lilemo tsa bo-1800 sehlopha sa...Bala haholoanyane