Iyo isahani y'icyuma ishyushye cyane, agace k'icyuma gakurwa mu nkono ya zinc, maze amazi yo gupfuka alloy hejuru agahinduka crystal nyuma yo gukonja no gukomera, bigaragaza imiterere myiza ya crystal y'agapfuka alloy. Iyi shusho ya crystal yitwa "z...
Rebar ni ubwoko bw'icyuma gikoreshwa cyane mu bwubatsi no mu bwubatsi bw'ibiraro, ahanini gikoreshwa mu gukomeza no gushyigikira inyubako za sima kugira ngo zongere imikorere yazo mu mihindagurikire no mu gutwara imizigo. Rebar ikunze gukoreshwa mu gukora imitako, inkingi, inkuta n'ibindi...