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,
Pointed Sticks stick" might be more useful than defending against fresh fruit. They chose this name after discovering that their first six choices had all been taken. At the beginning of their career they were briefly known as "Ernie Dick and the Pointed Sticks". Pointed Sticks Pointed Sticks are a Canadian punk rock/new wave band from Vancouver. Originally active from 1978 to 1981, then reuniting to perform in July 2006 through to November 2012. After a three-year hiatus, Pointed Sticks returned to the stage in June 2015 for shows on Vancouver island as well as the July 11th Khatsahlano street party in