cash streams

 " Caisse claire " in drums, when you play fast it's sounding as money ! So we talk about " cash
 desk ", " cash register ", it's a very important element when you have a shop, a business, to
 register all operations you do with money, products, so you can know at anytime how much you
   have, the amounts of all and each transaction, very important to have a clear countability, then often it's working as a computer, you know each second how many products you sell, how
 many you still have in stock, how many you will need for your customers, to manage well the
   " rotation des stocks ", then to know always what are your best products, to make your
               clients very happy... yes, money, money... what a good sound...