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Yiziphi izinzuzo zokufafaza i-polyurea?
Njengento entsha yokwemboza, i-polyurea ishintshe ngokuphelele ukuqonda konjiniyela kwezingubo zangaphambilini.Ngoba azikho ezinye izinto zokugqoka ezingamelana namandla aphelele esando sesihlibhi kanye nokugqokwa okubucayi njenge-polyurea, futhi ngasikhathi sinye, kunokuguquguquka okwanele.Uma kwenzeka...Funda kabanzi
