E tshwaeditswe ka "upgrade-cidb-grade"

CIDB Contractor Grading System SA | Ntlafatsa Leano

CIDB tsamaiso ea maemo ea likonteraka Afrika Boroa: mokhoa oa ho rera ntlafatso, ke bopaki bofe bo bohlokoa, le mokhoa oa ho qoba likheo tsa ho latela melao tse