Water is the most abundant nutrient in our body and plays an important transmission function in every body cell and tissue. Sixty percent of our body weight is water. The fact that you can live without food for a long period of time, even months, but live only for a few days without water is true.
The addition of zinc, a sacrificial anode, would prevent the iron metal from corroding. According to the table of Standard Reduction Potentials, the standard reduction potential of zinc is about -0.76 volts. The standard reduction potential of iron is about -0.44 volts.
scrap iron - iron to be melted again and reworked. 1  atomic number 26, Fe, iron - a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood. scrap metal - discarded metal suitable for reprocessing; he finally sold the car for scrap metal.