2:23:36

Pengetahuan Dasar K3 Scaffolding

1:59:54

Penyusunan HSE Plan

5:05

BAGIAN-BAGIAN SCAFFOLDING LENGKAP 3D

44:06

destilasi (operasi teknik kimia 3)

14:04

Erlangga Bagaskara 0523050002 EAS Keselamatan Proses - Integrasi RBI Inspeksi LPG Storage Vessel

2:03:23

Awareness Lifting Operation in Construction

17:01

sap 2000 for scaffolding Eng. Mostafa Hisham

1:07:43

Denny Caknan - full concert at Gayeng Fest