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Kuenderera mberi tambo phenolic uye urea kuvhara
Kuenderera mberi kwakapetwa phenolic uye urea kuvharwa kunowanzo shandiswa mhando dzekuvharirwa kwekutakura zvigadzirwa zvakasiyana-siyana zvigadzirwa, zvakadai seacometics, mishonga, mishonga, uye chikafu. Kuvharwa uku kunozivikanwa nekuregererwa kwavo, kuramba kwemakemikari, uye kugona kupa chisimbiso chakasimba kuchengetedza kutsva nekuvimbika kwechigadzirwa.
