Vibration stone mass and encourage soil movement down the ramp, such as large stones debris floating mountain sandstone fracture on the plane debris, mud, stones and rocks, oblique fracture near the cliff.
Vibrations stimulate the rock and soil moved down the slope like a rock floating on a large mountain. Fragments of sandstone, shale fracture plane tilt clones. Fragments of broken near cliffs.
Vibration stimulation to the rock mass and soil moving down the ramp, such as large, บนภูเขา floating rocks A sandstone fracture plane I mudstone tilt pour waste rock fracture near the crag