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Various sized cuts of 1 ⁄ 2 in (13 mm) drywall with tools for maintenance and installation . Drywall (also called plasterboard, dry lining, [1] wallboard, sheet rock, gib board, gypsum board, buster board, turtles board, slap board, custard board, gypsum panel and gyprock) is a panel made of calcium sulfate dihydrate (), with or without additives, typically extruded between thick sheets of ...
[2] [20] [21] [22] This accounts for the dark skin pigmentation of Homo sapiens during their development in Africa; the major migrations out of Africa to colonize the rest of the world were also dark-skinned. [23] It is widely supposed that light skin pigmentation developed due to the importance of maintaining vitamin D3 production in the skin ...
A woman with dark skin. Dark skin is a type of human skin color that is rich in melanin pigments. [1] [2] [3] People with dark skin are often referred to as black people, [4] although this usage can be ambiguous in some countries where it is also used to specifically refer to different ethnic groups or populations. [5] [6] [7] [8]
Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO 4 ·2H 2 O. [4] It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, drywall and blackboard or sidewalk chalk.
The Skin Cancer Foundation recommends the everyday use of a broad spectrum sunscreen with an SPF of at least 15 to help prevent skin cancer; for extended sun exposure, the SPF should be 30 or ...
A couple of Wichita sisters are carrying on a family tradition by creating their own products to take care of their skin and fight illnesses. They’re now sharing those products with others.
Light sensitivity or photosensitivity refers to a notable or increased reactivity to light. Apart from vision , human beings have many physiological and psychological responses to light. In rare individuals an atypical response may result in serious discomfort, disease, or injury.
Tammy Slaton is ready to celebrate a milestone in her weight-loss journey. In a sneak peek of the Tuesday, October 15, episode of 1000-Lb. Sisters, Tammy heads to an appointment in hopes of ...