EGL, dị ka ụlọ ọrụ mmepụta ihe ọgbara ọhụrụ nke ụwa, kwupụtara n'oge na-adịbeghị anya mmalite nke ihe mmetụta Geophone ọhụrụ, nke ga-eduga ọganihu ọhụrụ n'ọhịa nke teknụzụ nlekota ala ọma jijiji.Dị ka otu n'ime ọdachi ndị na-emere onwe ha, ala ọma jijiji na-etinye nnukwu ihe egwu na ...
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