Umucanga w'amabara karemano uvanze n'umucanga w'amabara menshi wo kubaka
Umucanga w'amabara ugabanyijemo umucanga w'amabara karemano, umucanga w'amabara avanze, n'umucanga w'amabara avanze. Ibiranga ni ibi: amabara meza, aside na alkali, ubudahangarwa n'imirasire y'izuba, kandi nta gucika intege.
Ubwoko: umusenyi w'ibara ry'umwimerere, umusenyi w'ibara.
Ingano: 10-20.20-40.40-80.80-120.120-180.200mesh.
Andika ubutumwa bwawe hano hanyuma ubwoherereze









