Share: Title:this drilling is locally built by our technical team , it is modified for use in coring. Duration: 1:27 Plays: 59 views Published: 11 months ago Download MP3 Download MP4 Simillar Videos ▶️ 0:27 City Borewell Dimapur Nagaland 59 views • 1 year ago ▶️ 0:47 Rotary Drilling In Boulder Formation. Dimapur Nagaland. 59 views • 2 years ago ▶️ 0:16 City Bore Well Nagaland 59 views • 4 years ago ▶️ 0:52 Rotary Drilling, Dimapur. Nagaland. 59 views • 2 years ago ▶️ 7:59 An Easy Way To Locate Bore-well For Groundwater With Two L Rods. 59 views • 12 years ago