Youâll need to have a vehicle expense policy in place before that happens. While you can reimburse your employees for mileage in personal vehicles in any manner you choose, most companies develop a system based loosely on the Internal Revenue Serviceâs guidelines for mileage and fuel reimbursements.
Best Answer: lead is found in archeological digs dating over 5000 years ago which means that people knew how to refine it before the pyriamid in Egypt were built. IT was probably discovered by accident when people built it a very hot fire for cooking and it melted the lead that was in the rocks. The mineral that contains lead is galena is commonly found around the world.
Where did lead get its name? Lead is an Anglo-Saxon word for the metal that has been used and known about since ancient times. The symbol Pb comes from the Latin word for lead, plumbum. The Romans used lead for making pipes, which is where the word plumber comes from as well. Isotopes Lead occurs naturally in the form of four isotopes. The most common isotope is lead-208. Interesting Facts about Lead. For many years lead and tin were thought to be the same metal. Lead was called plumbum nigrum for black lead and tin was called plumbum album for white lead. Over one million tons of lead is recycled each year. People have known about lead poisoning since Ancient China and Ancient Greece. The element is a member of the carbon group (column 14) in the periodic table.