What are the best ways to use 2x12 boards in a woodworking project?

The best ways to use 2x12 boards in a woodworking project are for building sturdy shelves, constructing furniture like benches or tables, creating outdoor structures such as decks or pergolas, and making large-scale projects like workbenches or storage units. The thickness and width of 2x12 boards make them ideal for supporting heavy loads and providing stability in various woodworking projects.