A long piece of sawed lumber or wood is called board
board
Wood that has been sawed into boards;
A plank or a board.
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a piece of wood is called log
A single piece of wood can be as long as the tallest tree. California Redwood. Something like 150 feet. Finger jointed can be any length. Common lengths go to 16 ft. 20 and 24 at some lumber yards.
First you have to get your axe out and use it on a piece of wood
It is Steel( it was in my homework)
Lumber is another wood for wood, for example a lumber Jack is a person who cuts down wood for a living.
What is made of wood but can't be sawedsaw dust
The word prism come from the Greek prisma for "something sawed". The shape resembles the piece that you get when you saw a corner off a plank of wood.