Pumpkin, squash and sunflower seed kernels are all rich in both zinc and copper. Roasted pumpkin and squash seeds contain 9 milligrams of zinc per cup, while toasted sunflower seeds contain 7 milligrams in every cup.
Mechanical designers create designs for machines and mechanical devices. They combine drafting skills with mechanical engineering knowledge to assist product development engineers in the manufacture of new mechanical devices.echanical designers must have expert knowledge of mechanical and electrical engineering, computer drafting programs, and physical construction techniques. A career as a mechanical designer requires an aptitude for drawing.
1 Analyze problems to see how a mechanical device might help solve the problem. 2  Design or redesign mechanical devices, creating blueprints so the device can be built. 3  Develop a prototype of the device and test the prototype. 4  Analyze the test results and change the design as needed.  Oversee the manufacturing process.