Carotenoids. Carotenoids are very long-chain water-repelling pigments that are synthesized in the plastids of plant cells. In the sunflower, a common carotenoid, ss-Ã, carotene is produced in the chromoplasts of the ray flowers to produce bright-yellow orange. colorsarotenoids. Carotenoids are very long-chain water-repelling pigments that are synthesized in the plastids of plant cells. In the sunflower, a common carotenoid, ss-Ã, carotene is produced in the chromoplasts of the ray flowers to produce bright-yellow orange. colors
Bette Nesmith Graham. Liquid Paper Inventor. As electric typewriters came into widespread use after World War II, Bette Nesmith Graham and countless other secretaries let out a collective groan. The new machines did make typing easier, but their carbon-film ribbons made it impossible to correct mistakes neatly with a pencil eraser.
Sappi Warren Release Papers. The use of Sappi Warren Release Papers in the production of coated fabrics, often referred to as synthetic leather, dates back to the 1940âs.A casting line does not rely on pressure or compressive forces to mechanically emboss a texture.appi Warren Release Papers. The use of Sappi Warren Release Papers in the production of coated fabrics, often referred to as synthetic leather, dates back to the 1940âs.