SUPPLY CHAIN DEFINITIONS. Definitions of a supply chain virtually universally encompass the following three functions: i. supply of materials to a manufacturer; ii. the manufacturing process; and, iii. the distribution of finished goods through a network of distributors and retailers to a final customer.
The thickest parts are under the continents and the thinnest parts are under the oceans. Crust. Earth's crust is made up of several elements: oxygen, 47 percent; silicon, 27 percent; aluminum, 8 percent; iron, 5 percent; calcium, 4 percent; magnesium, potassium and sodium, 2 percent. The crust is divided into huge plates that float on the mantle, the next layer.
â¦ The crust that lies underneath the oceans is called oceanic crust, and is approximately 3 to 6 miles (4.8 to 9.7 kilometers) thick. It has a similar composition to that of continental crust, but has higher concentrations of iron, magnesium, and calcium.rust-form a crust or form into a crust; The bread crusted in the oven. change surface-undergo or cause to undergo a change in the surface.