While formatting in word processing applications, Hard formatting deals with formatting a few pages of a document using tool bars icons, keyboard shortcuts keys and menu bars whereas soft formatting deals with formatting a large number of pages using styles.
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US coins were never made of pure silver, it's too soft. They had at least 10% copper in them so they wouldn't wear out right away. Please see the Related Question for more.
The mattress laid on it will not be in level. It will be uneven with depressions or may sag to one part of the mattress.Often the weak spring will be soft to press while the other springs will keep the mattress straight and a little strong when pressed.
Half dollars were never made of solid silver. It's far too soft to use in a circulating coin. US halves were made of 90% silver up till 1964, and 40% silver from 1965 to 1970. Please post a new question with the coin's date for more specific information.
See other post The US never made circulating $1 coins from pure silver, it's far too soft so the metal was alloyed with 10% copper. The closest things to a pure silver "dollar" are the so-called Eagle coins minted since 1986 for sale to collectors and investors, but these aren't intended to circulate. Please determine the date on your coin and post a more specific question.
What you are seeing is the letters/numbers SS 92.5, this means the ring is Sterling Silver 92.5 percent pure silver. Fine silver (99.9% pure) is generally too soft for producing functional objects; therefore, the silver is usually alloyed with copper to give it strength while preserving the ductility and beauty of the precious metal. Other metals can replace the copper, usually with the intent to improve various properties of the basic sterling alloy such as reducing casting porosity, eliminating fire scale, and increasing resistance to tarnish.