START Date Fri, 07/01/1988 - 02:00 END Date Wed, 11/01/1989 - 01:00 PT. JOHANAS ANEKA KONTRAKTOR - CONTRACTORS Roads / Tunnel / Bridge QA/QC Inspector | Laboratory Technician GOVERNMENT PUBLIC WORKS - Road Betterment Phase-1 Project Indonesia (AS.ID) Laboratory Testing ● Disturbed & Undisturbed Sampling & Testing ● Soil ● Asphalt ● Stone Crushing