A polymer is a large molecule, or macromolecule, composed of many repeated subunits.[5] Due to their broad range of properties,[6] both synthetic and natural polymers play essential and ubiquitous roles in everyday life.[7] Polymers range from familiar synthetic plastics such as polystyrene to natural biopolymers such as DNA and proteins that are fundamental to biological structure and function. P[..]

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The most common Hydroelectric power plant uses an “Impoundment.” This is where a dam is built across a river which impounds the water behind it in a reservoir. This water is then released from the reservoir through a turbine, which spins and activates a generator which produces electricity

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A thermal power station is a power station in which heat energy is converted to electric power. In most of the places in the world the turbine is steam-driven. Water is heated, turns into steam and spins a steam turbine which drives an electrical generator.

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Liquefied petroleum gas or liquid petroleum gas (LPG or LP gas), also referred to as simply propane or butane, are flammable mixtures of hydrocarbon gases used as fuel in heating appliances, cooking equipment, and vehicles.

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Natural gas is a mixture of gases which are rich in hydrocarbons. All these gases (methane, nitrogen, carbon dioxide etc) are naturally found in atmosphere.

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Crude oil is a naturally occurring, unrefined petroleum product composed of hydrocarbon deposits and other organic materials. A type of fossil fuel, crude oil can be refined to produce usable products such as gasoline, diesel and various forms of petrochemicals.

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