Sub Entry Shroud ndeye yakakwira performance refractory chubhu inogadzirwa ne isostatic pressure process, yakagadzirirwa kuyerera kudzora kwesimbi yakanyungudutswa kubva ku tundish kuenda ku crystallizer, uye inoshandiswa zvakanyanya mukuenderera mberi kwekukanda maitiro muindasitiri yesimbi.
