Salt is utilized to enhance flavor in food. Salt is also a vital mineral that is needed by our bodies for proper functioning. Being a primary electrolyte, without salt the water content of our bodies would be out of balance. Salt also impacts blood pressure, and bone density. Salt is utilized in winter climates to assist with snow melting.
Aluminium which is the most abundant metal in the earth's crust is utilized daily in many ways. As with salt, aluminum is utilized in cooking due to its conductivity. It is also utilized in car manufacturing, packaging, and construction.
Wax paper is utilized in cooking to prevent food from sticking to surfaces and to insulate and steam food products (i.e. fish). It can also be utilized in as a container for food due to its water replent nature.