OPERATION OF MRT DRILL

A worker is in the MRT project of Senayan Youth Sculpture which is inaugurated the operation of its main underground drilling machine by President Joko Widodo in Jakarta, Monday (21/9). The underground drill machine has a diameter of 6,7 meters, total length 43 meters with weight reaches 323 tons it will be able to conduct MRT underground tunnel drilling at eight meters per day. ANTARA PHOTO/Widodo S. Jusuf/ama/15.

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