In many cases non-zinc anodes outperform actual zinc anodes, depending upon the type of metal you need to protect and the nature of the water in which the metal being protected is immersed. It all has to do with the voltage of the anode when referenced against a standard.
Chemical engineers at pharmaceutical manufacturers have the same duties as those of consumer goods manufacturers, but they have additional duties as well. Their focus is on developing new drugs or products to enhance the health of humans and animals.
Materials engineers typically do the following: 1  Plan and evaluate new projects, consulting with other engineers and managers as necessary. 2  Prepare proposals and budgets, analyze labor costs, write reports, and perform other managerial tasks. 3  Supervise the work of technologists, technicians, and other engineers and scientists.