Pineapple ripened or off-green. A plant growth regulator, Ethephon, is typically sprayed onto the fruit one week before harvest, developing ethylene, which turns the fruit golden yellow. After cleaning and slicing, a pineapple is typically canned in sugar syrup with added preservative. A pineapple never becomes any riper than it was when harvested. The fruit itself is quite perishable and if it is stored at room temperature, it should be used within two days; however, if it is refrigerated, the time span extends to 5–7 days. Mimi Sheller writes: "The pineapple entered European iconography as a symbol of welcome and hospitality,
Sound recording copyright symbol symbol in Unicode is , with the alternative names "published" and "phonorecord sign". It closely resembles and The symbol was introduced in 1971, essentially simultaneously in both domestic United States law and international treaty. In the United States, it was added by , which amended the 1909 Copyright Act by adding protection for sound recordings and prescribed a copyright notice for sound recordings: Sound recording copyright symbol The sound recording copyright symbol, represented by the graphic symbol ℗ (a circled capital letter P), is the copyright symbol used to provide notice of copyright in a sound recording (phonogram) embodied in