Tinkontilaki Nekukhokhela jbcc payment certificates Umhlahlandlela Wetikheti Lekukhokha Ye-JBCC | Indlela Yokukhipha Nekulawula Kahle Umhlahlandlela wetikheti lekukhokha ye-JBCC labakontrakthi base-SA. progress payments, retentions, variations ne-final accounts ngaphansi kwe-JBCC PBA 2018 Wakha Team November 26, 2025
