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View of Completed Excavation
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Initial Manned Excavation
Àη±¼Âø ÀûÀç
Initial Excavation
and Loading
À¯ÀÎ ±â°è±¼Âø
Mechanical Excavat
ion with Man
¹«ÀÎ ±â°è±¼ÂøRemoteControlled
Excavation
Without Man
õ°øÀÛ¾÷ Drilling
õ°ø ÈÄ Æø¾à »ðÀÔ Inserting Explosive after Drilling
ÇÔ³» Àå¾à ¿Ï·á Inserted Explosive
¹ö·° ¼ÒÇÒ ¹ßÆÄ Blasting for Muck-crushing
¹ßÆÄÈÄ ÀÜÅä ó¸® Removal of Remaining Soil after Blasting
³¯³¡ºÎ ÀÜÅä ó¸® Removal of Remaining Soil on the Cutting Edge