Mu guhitamo rivets z'icyuma kidashonga, ni gute wamenya ubwoko bw'icyuma kidashonga ugomba gukoresha?

Icyuma cya 1.201 kibereye gukoreshwa ahantu humutse kandi cyoroshye kwangirika mu gihe cy'amazi.

2.304 icyuma kitagira umugese, gikwiriye ahantu ho hanze cyangwa hakonje, gifite ingese ikomeye kandi kirwanya aside.

3.316 icyuma kidashonga, molybdenum yongewemo, irwanya ingese nyinshi kandi irwanya ingese, cyane cyane ikwiriye amazi yo mu nyanja cyangwa imiti.