plohe u Zemljinoj kori na kojima se naglo mijenjaju brzinepotresnih valova. Ima ih više i to na različitim dubinama, pa su to ujednogranice različito građenih slojeva litosfere.
I am not offering you SEO, neither PPC.
It's something completely different.
Just send me keywords of your interest and I'll give you traffic guarantees on each of them.
Let me demonstrate how it works and you will be surprised by the results.