A bit earlier than LVDW;s great shots, and a bit lower.
Oct 04
Augars to extract the soil
These crew was really cranking with the the drill, up, rotate, spin, rotate, drill routine.
Job Pressure (connecting all the air compressors)
Nifty connection that allows the compressed air to pass down the spinning square drive shaft (bar).
The end of the bar - with a cap for standing it up.
Motor for turning the shaft
Pneumatic grinding bit