2000 B.C - The first recorded (The Susruta Samhita, Sanskrit writing) water purification began with the Egyptians. It is said that impure water should be boiled over a fire, heated in the sun, have a hot iron dipped into it or purified by filtration through sand and course gravel.
A major step in the development of desalination technologies came in the 1940s during World War II when various m
water into the air, creating clouds, and therefore, rain. Without trees, this cycle is interrupted, and rainfall is drastically reduced to minimal levels. Second, trees hold topsoil in place and soften the impact of water on the ground. This is of utmost importance in rain forests, where decomposition is rapid and because of this, the layer of topsoil might only be five to ten centimeters deep. F
Terms of cosmetics
Emollients: Substances that smooth and soften the skin.
Emulsion: A blend of oil and water into a single smooth product.
Solvents: Substances, such as alcohol or water, which dissolve other ingredients.
Vehicle: The base that carries the active ingredients.
Why people usewhitening cosmetics?
Greater acceptance of light skin than dark skin
A mark of be
softener area Pigeon has been nominated six times and won 4 times from 2006 to 2009. To be specific, fragrance and softness is the strongest factor Pigeon had and Pigeon’s product meet customer’s specific needs. Lastly, Actz does not need heating water because it can dissolve even in cold water. (Actz made from grapefruit, citron and eucalyptus has good solubility.) This saves 1070W in each h