Ibiciro bya Nickel futures kuri LME byazamutse iminsi ibiri yikurikiranya, birangira ejo ku madolari 21,945/toni.
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Udupira n'udupira twa karuboni dukonjeshwa n'udupira dukora hakoreshejwe uburyo bwo gukora bushobora guhinduka kandi dukoreshwa cyane mu modoka, imashini zimesa, firigo, ibikoresho by'amashanyarazi n'ibikoresho byo mu biro by'icyuma. Mu guhindura ijanisha ry'icyuma cya karuboni, birashoboka gukora ibyuma bifite imiterere itandukanye. Muri rusange, ingano nini ya karuboni mu byuma ituma icyuma kirushaho gukomera, kirushaho kwangirika, kandi kikagira uduce duto duto.