Plank

Plank most commonly refers to a flat piece of timber, sawn and planed; it is technically distinguished from a board by its greater thickness, and should measure from 2 to 4 inches (~5 to 10 cm) in thickness and from 10 to 11 inches (~25 to 28 cm) in width.

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Timber: Timber is a term used to describe wood that has been processed for use —from the time trees are planned for industrial use, to its end product as a material suitable for industrial use —such as structural material for construction or wood pulp for paper production....

Board: A board may be a:...

Plank related Images and Photos (experimental)

Narrow Plank Bridge	Walking the Plank Engraved by Anderson	LEGO Games 3848 Pirate Plank Game	The Simpsons Movie Walking the Plank Limited Edition Pix-Cel
Making Their Captives Walk the Plank is a Favourite Pastime of Pirates