Method of stabilisation can be grouped under________ main types.

The measurement of resistance and penetration is done by ______

The properties of a soil under compaction depend upon _____

The Instruments used in hand augers are _____

In a blind zone, the geophone cannot detect the seisdmic refraction.

The cone resistance is approximately equal to __ times the penetration resistance N.

The penetration resistance is driving the sampler ______

In rotator boring ______ is forced down the hallow drillrods.