Balsa Wood Scrap

Balsa Wood Scrap is lumber.

Source
Balsa Wood Scrap can be obtained from company airship and company submersible exploratory voyages.

Uses
Balsa Wood Scrap is used in unlocking the following schematics in the company workshop:


 * Airship Prototype III
 * Airship Prototype V
 * Submersible Prototype II
 * Submersible Prototype III
 * Submersible Prototype IV