Drilling
The action of making a circular hole in any material or in the ground by using a pointed tool which is rotated.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
The action of making a circular hole in any material or in the ground by using a pointed tool which is rotated.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM