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balsa wood
Definição1
A soft, strong, lightweight wood from the tropical american balsa tree. Balsa wood is used in aircraft structure as the core for sandwich-type material. Planks of balsa are cut across the grain and are bonded (glued) between sheets of thin aluminum alloy. The balsa sandwich is strong, lightweight, and rigid.
Fonte1
CRANE, Dale (ed.). Dictionary of aeronautical terms. 2nd ed. Renton: ASA, 1991.
Português
madeira de balsa