1 Calcium chloride is a compound made of calcium and chloride, and is one of the types of salt used to control ice on sidewalks and roadways. 2  The compound is often produced from limestone. 3  Potassium nitrate-This electrolyte, commonly known by the formula KNO3, is used in a wide variety of substances.
A. work hard like a mule in a field B. stubborn like a mule C. not as smart as a mule D. policy choices stunk like a mule. A: The original meaning of the Democratic donkey symbol was: stubborn like a mule.
History of the Democratic Donkey. When Andrew Jackson ran for president in 1828, his opponents tried to label him a jackass for his populist views and his slogan, Let the people rule.. Jackson, however, picked up on their name calling and turned it to his own advantage by using the donkey on his campaign posters.