zinc

This is similar to the process currently used for making sheets of copper and zinc today.

He realised the participants receiving benefits struggled to access proper nutrition, including consuming vitamins like vitamin A, iron, zinc, magnesium and selenium.

"If you don't want to use a suntan lotion with certain chemicals there are plenty of more natural ones on the market - zinc and mineral based ones - but you can't just stop wearing sunscreen."

Critics of the zinc and copper coin say producing it is a waste of money and resources, while those who want to keep it argue it keeps prices lower and boosts fund-raising for charities.

Prior soil samples reported from the high school also showed high concentrations of lead and zinc.