A ranar 15 ga Oktoba, rukuni na uku na rahoton aikin samar da Toppi a shekarar 2021. A cewar rahoton, a rukuni na uku na shekarar 201, yankin haƙar ma'adinai na Pilbara da ke Rio Tinto ya jigilar tan miliyan 83.4 na ƙarfe, ƙaruwar kashi 9% idan aka kwatanta da watan da ya gabata da kuma ƙaruwar kashi 2% a cikin ma'auratan. Rio Tinto ya nuna a cikin rahoton cewa saboda tasirin kula da freckles, ayyukan maye gurbin ƙarfin brownfield da jinkirin lokaci na 202, adadin abubuwan da suka faru na ƙarfe a ma'adinan Pilbara a mataki na uku ya kai biliyan 833, tare da raguwar kashi 4% da ƙaruwar wata-wata na kashi 10%.
Bugu da ƙari, saboda Rio Tinto, saboda yanayin motsin rai a Yammacin Ostiraliya, an ɗan jinkirta aikin Kuddley Valley Brownfield Project da kuma aikin maye gurbin ƙarfin Lobo River Green Brownfield Capacity Project. Aikin jigilar ƙarfe na yankin haƙar ma'adinai na Pilbara a Kanada a shekarar 2021 zai kai miliyan 320. Tan ~ tan miliyan 320. Manufar briquettes na ƙarfe na Kanada da briquettes na ƙarfe mai laushi a lokaci guda ya kai tan 950 zuwa tan 1050 (ka yi tunanin tan 1050 zuwa tan 1200).