https://www.staging-xtract.lumxnari.co.za/courses/national-certificate-rock-breaking-62869/2026-05-21T10:54:05+00:00https://www.staging-xtract.lumxnari.co.za/courses/examine-make-safe-surface-mines-quarries-dumps-stockpiles/2026-05-21T10:54:59+00:00https://www.staging-xtract.lumxnari.co.za/courses/blasting-assistant-in-surface-mines-quarries-surface-excavations/2026-05-21T10:56:03+00:00https://www.staging-xtract.lumxnari.co.za/courses/occupational-health-safety-representatives-training/2026-05-21T10:24:14+00:00https://www.staging-xtract.lumxnari.co.za/courses/blasting-practices-in-surface-mines-quarries-surface-excavations/2026-05-21T10:56:52+00:00https://www.staging-xtract.lumxnari.co.za/courses/processing-aggregates/2026-05-21T10:37:12+00:00https://www.staging-xtract.lumxnari.co.za/courses/statutory-compliance-environmental-for-managers-surface-mines-quarries/2026-05-21T10:38:02+00:00https://www.staging-xtract.lumxnari.co.za/courses/basic-construction-materials-testing/2026-05-21T10:38:38+00:00https://www.staging-xtract.lumxnari.co.za/courses/introduction-to-technical-supervision-management-in-surface-mines-quarries/2026-05-21T10:52:27+00:00