A keffiyeh, also spelled kufiya, (الكوفية) is a traditional Middle Eastern headdress (scarf) that is typically worn by men and recently by women. It is a square-shaped piece of cloth ...

Potash accounts for 90% of all the potassium applied to farmland soil in the U.S. in the form of Muriate of Potash (MOP). Potash ore is mined from a half mile beneath the Earth’s surface with ...