as Estimator engineer for design fire alarm systems, gas detection & fire suppression systems, prepare for Bill of quantity, technical data and project schedule, make a single line diagram or general layout, looking for spesial equipment and material installation ,help marketing for technical clarification internal or external and audit project.

- Reseach and Development to Product Fire Suppression- as Coordinator of the Emergency Respon Team- General Affair ( procurement for Division)- and as Maintennance Planner to all vehicle and production tools

Maintenance planners. and last position, supervise the loading of coal, supervise the unloading of fuel suppliers, manage and carry out all activities to the purchase of company such as providing all office needs and operational needs in mine, make payments to the filing of document under Division Accounting report receipt of goods from supplier, responsible and report all activities to the operation manager and audit operation director.