- See Birkmore, The Planning and Construction of High Office Buildings; Farnworth, Constructional Steel Work; J.
Severe simplicity is also most in harmony with constructional designs in plated work, where stresses occur in straight lines.
- This class includes most of the soft woods which furnish timber for the framing and constructional portions of nearly all building work.
No medullary rays are visible; the wood is straight in the grain, durable, strong and elastic, easy to work, and is used by the carpenter for internal and external constructional work, and by the joiner for his fittings.
The wood when cut is white or yellowish white, straight in grain and easily worked, but is not so tough, elastic or durable as the northern pine, and therefore is not so suitable for constructional work.