Iiphaneli zesikrini ze-polyurethane zisetyenziswa ngokubanzi kwi-metallurgy, amalahle, kwishishini lezinto zokwakha kunye nobunjineli bombane wamanzi, unyango lwe-abrasive inkunkuma, i-quarry kunye namanye amashishini okuhlamba impahla, ukuhlolwa kunye nokuhlelwa.Iiphaneli zesikrini se-polyurethane zenziwe nge-polyurethane ephezulu yokunxiba ...
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