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.
Bronze was still used during the Iron Age, and has continued in use for many purposes to the modern day. Among other advantages it does not rust. The weaker wrought iron was found to be sufficiently strong for many uses. Archaeologists suspect that a serious disruption of the tin trade precipitated the transition.