Extrussion of soil from thin wall tube
Boart Longyear LX11 training in Laos
HQ3 wireline drilling in Laos
Retrieval of soil samples from GWS core samples
A monorail to drill site in Japan
Assembly GWS core barrel 1
Assembly GWS core barrel 2
Assembly GWS core barrel 3
Trial operation of a pneumatic underground drill rig
Stanley buggy at Hai Van site
Drilling & grouting operation
Taking of RCC test core samples
