hat
dyaman sant sèvi ak machin pyès yo lajman te itilize pou eksplorasyon mineral, eksplorasyon géologique, dlo ak elèktrisite, trafik konstriksyon, etc bati pou wòch sant forage, explorer ak du envestigasyon.
eng
diamond core drill bits are widely used for mineral exploration,geological exploration, water and electricity, traffic construction, building etc. for rock core drilling, exploring and soil investigation.