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. Jackson, however, picked up on their name calling and turned it to his own advantage by using the donkey on his campaign posters. During his presidency, the donkey was used to represent Jackson's stubbornness when he vetoed re-chartering the National Bank.