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,
Reese's Sticks Reese's Sticks Reese's Sticks, formerly called "ReeseSticks," are wafers filled with peanut butter and covered in milk chocolate. First introduced in 1998, they are manufactured by The Hershey Company and are currently still available. They are sold in pairs, similar to Twix and two finger Kit Kat bars. The fact that ReeseSticks digressed from the normal Reese's naming pattern was pointed out by Paul Lukas in his zine "Beer Frame". As Lukas noted, even though the official name was Reese Sticks, most people he casually surveyed pronounced it unknowingly as "Reese's Sticks". In 2009, Hershey's changed the name officially to