Chalk produce, and thus widely used in the developing world, calcium-based chalk can be made where the crumbling particles are larger and thus produce less dust, and is marketed as "dustless chalk". Colored chalks, pastel chalks, and sidewalk chalk (shaped into larger sticks and often colored), used to draw on sidewalks, streets, and driveways, are primarily made of gypsum. Chalk is a source of quicklime by thermal decomposition, or slaked lime following quenching of quicklime with water. In southeast England, deneholes are a notable example of ancient chalk pits. Such bell pits may also mark the sites of ancient flint mines,
That's What Girls Are Made For That's What Girls Are Made For "That's What Girls Are Made For" is the debuting single for the American R&B/Soul vocal group The Spinners, released on Harvey Fuqua's Tri-Phi Records label in 1961. The single featured most of the original members of the group including original lead singer Bobby Smith and featured a very young Marvin Gaye playing drums. Harvey Fuqua and his then-girlfriend Gwen Gordy made the song simply for them to record. Released nationally on Tri-Phi, the song reached number 27 on the "Billboard" Hot 100 and number 5 on the Hot R&B Songs chart, starting a long