References in periodicals archive ?
The assignment includes the deepening of the existing quay wall by VHP technology (which through the quay wall vertical and inclined drilling were carried out to achieve a new foundation under the quay wall), the dredging of the berths at the quay wall and some additional work .
Can drill into solid materials, and perform inclined drilling, spot drilling on convex surfaces, and chain drilling.
Diamond drilling of the Pit Area included inclined drilling on section lines between the original sections or at spacings of between 30 and 60- meters along strike The revised mineral resource estimates for the 2002 program are based on analytical results obtained from NQ-sized diamond drill core samples.