Presented by developerWorks, your source for great tutorials ibm.com/developerWorks. Interface Definition Language Page 4. Object relationships. Once the list of the core objects comes to mind, it's time to look for relationships.
The first totally disposable diaper in the U.S. was introduced by Proctor & Gamble in 1961. The company had purchased the Charminâ Paper Company in 1957, and they assigned one of their chemical engineers, Victor Mills (1897-1997), to look into creating new paper products.
For these calculations, let's assumed that a family needs about 60 diapers a week. That number will be higher for newborns and lower for toddlers. The best-selling disposable diapers on the two top-selling websites for disposable diapers cost from $.17 to $.31 each. This averages to $.24 per diaper.