a.Inspection and Control of incoming raw materials:According to the chemical content,raw materials are classified into different levels to ensure quality of refractory bricks for cement kilns first.
a.Inspection kanye nokulawula izinto zokusetshenziswa ezingenayo: Ngokuqukethwe kwamakhemikhali, izinto ezingavuthiwe zihlukaniswa ngamazinga ahlukene ukuqinisekisa ikhwalithi yezitini kuqala.