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Inoenderera mberi Thread Phenolic uye Urea Kuvhara
Kuenderera mberi kwakaomeswa phenolic uye urea kuvharwa kunowanzo shandiswa mhando dzekuvharwa kurongedza zvigadzirwa zvakasiyana, senge zvizorwa, mishonga, uye chikafu. Kuvharwa uku kunozivikanwa nekusimba kwavo, makemikari kuramba, uye kugona kupa chisimbiso chakasimba kuchengetedza kutsva uye kuvimbika kwechigadzirwa.
