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.
In U.S. politics, the Democratic Party has been represented by a donkey and the Republican Party by an elephant for decades. But few people know how long they've symbolized the two big parties, or where the symbols even came from. The donkey's first use in political parlance to represent the Democratic Party came in 1828, during the presidential campaign of Andrew Jackson. Jackson was a popular war hero (after victories in the War of 1812 and the First Seminole War) and ran a campaign under the slogan Let the People Rule..