![]() In the 1980s Apollo Computer originally used UUIDs in the Network Computing System (NCS) and later in the Open Software Foundation's (OSF) Distributed Computing Environment (DCE). Information labeled with UUIDs by independent parties can therefore be later combined into a single database or transmitted on the same channel, with a negligible probability of duplication.Īdoption of UUIDs is widespread, with many computing platforms providing support for generating them and for parsing their textual representation. Thus, anyone can create a UUID and use it to identify something with near certainty that the identifier does not duplicate one that has already been, or will be, created to identify something else. ![]() While the probability that a UUID will be duplicated is not zero, it is generally considered close enough to zero to be negligible. Their uniqueness does not depend on a central registration authority or coordination between the parties generating them, unlike most other numbering schemes. When generated according to the standard methods, UUIDs are, for practical purposes, unique. The term globally unique identifier ( GUID) is also used. ![]() Putting 5S into place can not only help make people less stressed and more efficient, but will also improve workplace safety and reduce training time for new employees.A universally unique identifier ( UUID) is a 128-bit label used for information in computer systems. While not complicated, the 5S system presents challenges in both implementing the steps and sustaining the practice. The Sustain phase of 5S often requires training and good communication, but it eventually will lead to employees becoming comfortable with 5S procedures. However, without sustaining the new system, all the cost and effort that went into creating it will prove pointless. This final step often proves the most challenging. Workers keep the new standards in place and practice the first three steps every day until they become automatic and the accepted way of doing things. In Sustain, the goal is to stick to the new rules. The Standardize phase takes the progress and changes in behavior from the first three steps and makes them the standard procedure. This may require oversight and enforcement before becoming a habit, however. Once this “new normal” becomes a habit, all old habits will fall away. Employees participate in creation of a set of standards that will govern maintenance of the workspace going forward. This step involves creating ways to sustain the first three steps. Cleaning the area every day also leads to a higher level of employee buy-in for the 5S method. The Shine phase creates a more pleasant environment for employees, who no longer have to combat dust, dirt and clutter. Cleaning includes storage areas, machines, equipment, tools and work surfaces. This maintains the gains made in the Sort and Set phases. After a thorough initial cleaning, workers clean the station every day (sometimes twice a day). With the clutter gone and storage space organized, it’s time to clean. This creates a less stressful work environment. The Set in Order phase creates an ergonomic, organized and uncluttered workspace where employees have what they need close at hand and know where every item is stored. In some cases, workers can use color-coded labels to easily identify storage spaces. ![]() Every item that made it through the Sort stage is given storage space. Set, or Set in Order, follows the advice: “A place for everything and everything in its place.” Workers position items based on use, with frequently needed items kept closer at hand. The Sort phase is the first step to making more effective use of space by clearing out hazardous items and clutter that distracts from doing the job. Workers store seldom used items nearby, but not at the workstation. These items are set aside and evaluated later. Some use a system called “ red tagging” in which every item not necessary for a process gets red-tagged during the sort phase. In this first step, workers sort everything in a workspace into what is and what is not needed. While it ranks among the most widely used and fundamental components of Lean Manufacturing, it’s common-sense application also works in almost every setting. Lean bases the words on the original Japanese: seiri, seiton, seiso, seiketsu and shitsuke.ĥS is a key component in eliminating the eight wastes of Lean when setting up a workstation. They are sort, set, shine, standardize and sustain. The five words in 5S represent the five steps to accomplish this goal. The goal of 5S is to create a clean, uncluttered environment that allows people to do their jobs without wasting time, while also lowering the risk of injury. 5S is a method of organizing a workspace to make it safe, efficient and effective. ![]()
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