Adding zinc allows such oils to better withstand those higher pressures and maintain a consistent coating. This is especially important in older engine designs, specifically ones with flat-tappet cam ...

In the early 1940s, the U.S. used zinc-coated steel instead of copper to make pennies because the latter was needed for World War II. Today, wheat pennies are considered the most commonly collected ...

This building on West Lemon Street, built circa 1890, has painted hot-dipped zinc roof cresting. The Charlie Wagner Cafe building, constructed circa 1892, has a painted decoration of hot-dipped zinc.

In the early 1940s, the U.S. used zinc-coated steel instead of copper to make pennies because the latter was needed for World War II. Today, wheat pennies are considered the most commonly ...