Asked by | 19th Mar, 2009, 09:02: AM
Graphite is used as used in brake linings for heavier vehicles.It is also used in making lubricants for heavy mining machinery.
Diamond is gemstone and is used in making jewellery.It is also used in making tools for cutting and drilling.
Diamond is one of the hardest of all minerals. It can easiliy cut and drill all other materials.For this reason, a crystal of diamond is used to make tips of drilling machines which can cut and drill all kinds of material.
Answered by | 19th Mar, 2009, 09:25: AM
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