Monday, April 12, 2010

How Fast Does A New Bright Rc Car Go



Seismic survey :

prospecting method that enables a vision of the subsoil and geological structures with a view to the location of exploration wells.

consists of broadcasting a signal on the surface (for example, a small explosive charge or a falling weight) to cause a shock wave that propagates through the subsurface layers, reflected in each of those register to return to the surface.



0 comments:

Post a Comment