Fè se dezyèm eleman ki pi komen sou tè a ak comprenante prèske 5% de kwòk tè a. Iron ores are rocks and minerals that contain metallic iron that’s extracted by

Most rocks contain some form of metals or minerals. Not all of them have a concentration significant enough to justify mining. Those that do contain commercially valuable materials are the

"Si li pa ka grandi li dwe mined" se yon adage komen nan endistri min lan, e se pa anpil nan yon egzajerasyon. Li difisil pou panse ak nenpot