Apart from the fact that information is true and the job is honest, there is also a need to protect personal privacy. Name, cell phone, mailbox, fixed telephone, etc. can be as accurate and comprehensive as possible. To achieve management objectives and plans, we must design and maintain a job structure, in this structure, the combination of a variety of business activities necessary to reach the target classification, the management authority granted to each type of business activities necessary to personnel in charge of this kind of work, and the coordinated relationship between the up and down or so, to effectively achieve the goal, also must constantly adjust the structure, the process is the organization. The organization provides structure assurance for management work, which is the premise of personnel management, guidance and leadership and control Testing for vitamin C levels in numerous forms of orange is a favorite science project for many scholars. Thanks to the limited available references on vitamin C levels in citrus juices and the way it degrades as time passes , this web site will endeavour to provide some information on the subject to assist students find additional references for his or her science projects.