N'October 15, nkeji nke atọ nke akụkọ mmepụta Toppi na-akọ na 2021. Dị ka akụkọ ahụ si kwuo, na nkeji nke atọ nke 201, mpaghara ebe a na-egwupụta ihe nke Rio Tinto's Pilbara butere 83.4 nde tọn ígwè, mmụba nke 9% site na ọnwa gara aga na a. 2% na-abawanye na ụzọ abụọ ahụ.Rio Tinto gosiri na akụkọ na n'ihi mmetụta nke freckles management, brownfield ikike nnọchi ọrụ na 202 oge igbu oge, ọnụ ọgụgụ nke ígwè mere na Pilbara m na nke atọ na-adọ bụ 833 ijeri, na nti dobe nke 4% na. mmụba kwa ọnwa kwa ọnwa nke 10%.
Na mgbakwunye, n'ihi Rio Tinto, n'ihi okwu mmetụta uche na Western Australia, Kuddedley Valley Brownfield Project na Lobo River Green Brownfield Capacity Replacement Project egbuola ntakịrị oge.Ọrụ mbupu ígwè nke ebe a na-egwupụta akụ Pilbara na Canada na 2021 ga-abụ nde 320.Tọn ~ 320 nde tọn.Ebumnuche nke briquettes iron nke Canada na ezigbo ntụ ntụ briquettes n'otu oge ruru tọn 950 ruo tọn 1050 ( were ya na 1050 tọn na ton 1200).