What are some tools that begin with the letter j?

Some tools that begin with the letter "J" include a jigsaw, which is used for cutting curves and intricate shapes in wood and other materials, and a jack, which is employed to lift heavy objects, such as vehicles for tire changes. Additionally, there's the jointer, a woodworking tool used to create flat surfaces on wood. Each of these tools serves distinct purposes in construction and woodworking projects.