A merchant is a person who trades in commodities produced by other people. A merchant historically was anyone who was involved in business as long as industry, commerce, and trade have existed. The status of the merchant has varied during different periods of history and among different societies. In modern times, the term occasionally has been used to refer to a businessperson or someone undertaking activities for the purpose of generating profit, cash flow, sales, and revenue utilizing a combi
Graphite, while also composed of carbon, has an entirely different crystal structure, and different uses. Graphite is used as an electrical contactor (a brush) in electrical motors. It makes a great dry lubricant for things like locks, and when mixed with clay, forms the lead for ordinary pencils.
Atomic structure of graphite. atom cube image by Sergey Tokarev from Fotolia.com. It is interesting to note that graphite is used as lead in pencils for writing purposes and as a good lubricant in heavy and light bearings -- in its dry form as well as after mixing it with grease and oil.ue to this weak bonding between the atoms in the overlapping sheets, there is a tendency for the sheets to easily slide over each other, which causes slipperiness. It is due to this slipperiness effect that graphite acts as a good lubricant.