[ad_1] Fir plywood is a composite building material made of thin layers of wood glued together, with at least a portion of the plies coming from spruce. Spruce wood is typically combined with other types of wood to create a stronger finished product for indoor use. Plywood is graded based on defects, with A being […]
[ad_1] Spruce lumber is a strong and light wood obtained from over 30 types of Picea trees. It’s refined into uniform boards using saws and shapers, and can be treated for durability. Spruce is ideal for light, load-bearing situations, such as in wooden airplanes and boat building. It’s also used for furniture, musical instruments, and […]
[ad_1] The Spruce Goose, or H-4 Hercules, was a wooden aircraft designed by Howard Hughes during WWII. It only made one flight and is now in an aviation museum in Oregon. The prototype was the only one funded by the US government, and it was built from birch using a revolutionary process called duramold. Hughes […]
