Go Obamelacidbcidb-gradingCIDB Grading e Tlhalositswe: Di-grade 1 go ya 9Ka moo CIDB grading e dirang ka teng mo Afrika Borwa: se grade nngwe le nngwe ya 1 go ya 9 e se kayang, di-class tsa GB le CE, le bosupi jwa go tlhatloga.Kevin Mainaud2026 Motsheganang 3