Icyuma cyo guca ubwatsi, Icyuma cyo guca ubwatsi gifite icyuma kinini cya karuboni, Icyuma gifata ubwatsi

Ibikoresho by'icyuma cya Manganese: Ibikoresho by'ingenzi bikorwa mu cyuma gikomeye cya Manganese, gifite ubukana burenga dogere 60. Bifite ubushobozi bwo kudashira no kudakora neza. Nyuma yo kuzimya, insinga zigezweho zirushaho kuba nziza kandi ziramba.

Ibiranga ibicuruzwa n'ibyiza byabyo
Iramba kurusha ibyuma bisanzwe byo gukata
Umusaruro mwinshi n'ubudahangarwa bwiza
Bikwiriye inzuri z'ubusitani
Ubugari bw'imashini ihinga bushobora guhindurwa
Umutekano mwinshi, hamwe n'igipfundikizo cy'uburinzi