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Lifebuoy is a British brand of soap marketed by Unilever. Lifebuoy was originally, and for much of its history, a carbolic soap containing phenol (carbolic acid, a compound extracted from coal tar). The soaps manufactured today under the Lifebuoy brand do not contain phenol. Currently, there are many varieties of Lifebuoy.
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The gas inside a bubble is less dense than air because it is mostly water vapor. Water vapor is a gas that is formed when water molecules evaporate. When water molecules evaporate, they escape from the liquid state and enter the gas state. In the gas state, water molecules are further apart than they are in the liquid state.
Lifebuoy with emergency light on a cruise ship A lifebuoy floating on water. A lifebuoy or life ring, among many other names (see § Other names), is a life-saving buoy designed to be thrown to a person in water to provide buoyancy and prevent drowning. [1] Some modern lifebuoys are fitted with one or more seawater-activated lights to aid ...
Hamam is a brand of soap made in India and marketed by the Indian unit of Unilever.The brand was previously owned by Tata Sons. [1] The name comes from the Arabic/Persian word hammam, which refers to a public-bathing establishment in the Middle Eastern countries.
A rescue tube, or Peterson tube. Original rescue buoys, also called can buoys. A rescue buoy or rescue tube or torpedo buoy is a piece of lifesaving equipment used in water rescue.
The triboelectric effect (also known as triboelectricity, triboelectric charging, triboelectrification, or tribocharging) describes electric charge transfer between two objects when they contact or slide against each other.
Purging with an inert gas provides a higher degree of safety however, because the practice ensures that an ignitable mixture never forms. Purging can therefore be said to rely on primary prevention, [ 4 ] reducing the possibility of an explosion, whereas control of sources of ignition relies on secondary prevention, [ 4 ] reducing the ...