Borehole Drilling Method

hand auger

notation 1.1 more like this
definition A hand auger consists of extendable steel rods, rotated by hand. Various steel augers can be attached at the bottom end of the drill rods. The augers are rotated into the ground until they are filled, and then lifted out of the borehole to be emptied. more like this
source This vocabulary more like this
broader auger
narrower hand auger
in scheme boreholedrillingmethod
is primary topic of hand auger