Peningkatan kadar dan rasio pasir kromit kadar rendah melalui proses benefisiasi dengan variabel jumlah penambahan reduktor coal dan aditif caco3 pada reduction roasting = The enhancement of local low grade chromite sand through beneficiation process with the variation of reductant coal and caco3 as additive dosage on reduction roasting process

Kajian Literatur Sistematis Peningkatan Keselamatan Pekerjaan Galian dengan Upaya Pengendalian Stabilitas Tanah di Sektor Konstruksi = Systematic Literatur Review on Improving Excavation Safety with Soil Stability Control in Construction Sector

Pemisahan minyak-air-padatan dari limbah minyak padat unit proses hulu dengan proses Ozonasi dan Demulsifikasi = Separation process oil-water-sludge from oil sludge upstream process

The directing of archaeological excavations/John Alexander

Excavation systems: planning, design, and safety