The citizens chosen by the French people to form the National Convention having assembled to the number of three hundred and seventy one, and having examined the credentials of the members, declare that the National Convention is organized. . .M. Manuel.he National Convention decrees that royalty is abolished in France. Proclamation of the Convention to the Nations, December 1792. Editor's Note: The Convention, after ridding France of the institution of monarchy, proposed to make its armies a means of propagating liberty and reform throughout Europe.
Plastics are made from carbon polymers. Carbon is used to form alloys with iron such as carbon steel. Graphite and clay are combined to make the lead used in pencils. Charcoal is commonly used for grilling food on barbeques.
Coal is also used in manufacturing. If coal is heated the gases, tars and residues produced can be used in a number of manufacturing processes. Plastics, roofing, linoleum, synthetic rubber, insecticides, paint products, medicines, solvents and synthetic fibers all include some coal-derived compounds.oal is also used as a power source for factories. There it is used to heat steam and the steam is used to drive mechanical devices. A few decades ago most coal was used for space heating. Some coal is still used that way but other fuels and coal-produced electricity are now used instead.