Cfc's are a man-made substance used in sterilizing medical ute â¦ nsils, refrigerants, fire retardants, and most commonly known for aerosol propellants. They are a cheap and effective chemical that is used in these areas to help save and protect lives.
The term palazzo (Italian, derived from Latin palatium) comes from the Palatine Hill, on which the ancient Roman emperors built their palaces. A classical palazzo was a three-story, or more rarely a two-or four-story, building that faced the street. Its compositional center was an inner courtyard surrounded by arched colonnades. Servantsâ quarters were located on the ground floor, reception rooms on the second, and living quarters on the third.
A castle (from Latin: castellum) is a type of fortified structure built in Europe and the Middle East during the Middle Ages by nobility. Scholars debate the scope of the word castle, but usually consider it to be the private fortified residence of a lord or noble.