VIBRATION DETECTION DEVICE INSPECTION
A number of combined SAR officers examine the detection of vibration or Elwasi (Eling Waspada Lan Siaga) at the peak of landslide area, Sirnaresmi Village, Cisolok, Sukabumi District, West Java, Friday (4/1/2019). The Elwasi tool installed on Thursday (3/1) to monitor soil conditions in the event of movement. ANTARA PHOTO/Nurul Ramadhan/wsj.
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