PETROLEUM (पेट्रोलियम) Petrol At some places in nature, a thick, viscous and dark colored liquid is found under the rock, which mainly contains aliphatic hydrocarbons up to C 1 to C 40 , this fluid is called refined oil or petroleum. The word petroleum is derived from the Latin words petra and olium which is found under rocks within the earth, hence it is also called mineral oil. Within the earth, this fluid floats above the salt solution. A gas atmosphere exists along with the floating petroleum inside the Earth, which is called natural gas. Petroleum is also called liquid gold. In the present era, this fluid is more valuable than gold for any nation. The progress of any nation depends to a large extent on how much petroleum it has. Its use is very important in various tasks like agricultural industry, traffic communication etc. This oil is found in the highest amount in the United States. Russia Venezuela is also found in greater quantities in Mexico, Burma etc. ...
paint Paint contains liquid which is plated at the bottom of various objects in the form of a thin layer. Paint or perl is liquid or semicondilateral material which is plated at the bottom of various objects in the form of very thin layer. Later it sticks to the bottom in the form of a solid cover. The reason for turning into solids can be vaporization of the solvent, or chemical reactions, or both. Pigments and carrier mixes are added in grinding. For this purpose, many kinds of grinding mills are used. The characters in which they are mixed are made of either corrosive steel, or their inner part is made of stone, or porcelain. To keep it cool, it is a jacket or a system to give a splash. The methods of painting on the floor are different, such as by a shower, by placing the floor in a paint, or by brushing with a paste. The floor should remain clean in all circumstances. The paint which is used for wooden columns or furniture, and generally is of high quality. Such paints hav...