SIMPLE LONGSOR WARNING TOOL
Nursihan Wardana (left) makes Early Warning System (EWS) tools or early warnings of landslides and land movements in Mitraelkom's production house, IN Yogyakarta, Wednesday (26/1/2019). Ordering the creation of the EWS tool with a simple information system through the short message of the gadget is subject to the price of Rp.35 million - Rp.135 million. ANTARA PHOTO/Hendra Nurdiyansyah/ama.
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