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,
Ship Sticks Ship Sticks Ship Sticks (Ship Sticks LLC), founded in 2011, Ship Sticks is a private company based in West Palm Beach, Florida. It was founded by Jonathan Marsico and Nicholas Coleman, its CEO. It offers a novelty service wherein customers' golf clubs, skis and other luggage are shipped to them at a desired destination. It allows scheduling of shipment dates, pickup and insurance: a $200 consequential insurance and $1000 loss insurance. Ship Sticks uses an online interface that enables the user to select from partner pre-loaded golf courses (such as Bandon Dunes, Grand del Mar or PGA National). This in