Post your Rfq : ( Mining and quarrying )
Quarrying and mining we intend extraction of minerals from solids as ores and coal , gas such as natural gas or liquids as petroleum. It could be extraction from mining on the surface as well underground mining or well operation. We could intend that everything that do not grow from process of agriculture or farming must derives from Quarrying or mining.
Obviuosly the materials that could be mined are various such as precious metals , nickel , coal , limestone , lead, sandstone , marble, stone granite , slate alabaster , rock salt , diamonds , iron , phosphate , tin, uranium, bauxite ecc