Ɔman no mu .dade a ɛyɛ mmerɛw .Nneɛma a wɔyɛe wɔ afe yi mu no bɛyɛ tɔn ɔpepem 2.8, ɛbaa fam 5.5% wɔ ɔsram koro no ara mu afe a etwaam no, sɛnea Brazil Steel Institute IABR kyerɛ no.
Dadeɛ a wɔtɔn wɔ fie, a ne nyinaa yɛ 1.7 ɔpepem tɔn wɔ bosome no mu no, so teɛ 6.9% firi bosome korɔ no ara mu afe a atwam no. Ntotoho a ɛte saa ara daa no adi sɛ ɛda adi sɛ dade a wɔde di dwuma no so atew 3%, anaasɛ bɛyɛ tɔn ɔpepem 2.
Dadeɛ a wɔtɔn wɔ fie no yɛ tɔn ɔpepem 8.1 wɔ afe yi bosome anum a ɛdi kan no mu, nanso ɛda adi sɛ dadeɛ a wɔde di dwuma no yɛ tɔn ɔpepem 9.6. Sɛ yɛhwɛ afe biara a, akontabuo no gyina hɔ ma 4.6% a ɛso tew ne 1.3% a ɛso tew.
