Chapter one IntroductionThe history and importance of the problem. At present, our country Thailand prosperity. Most of the people in the city live in apartments, condominiums, or which are smaller because the space is expensive. And all of the supplies that they need to make the necessary arrangements with the wanted to use to save space. Most people will choose to use the machines at the wall, such as shelves, but the height of the shelf. Some people may have a problem with the grab handle and may have been an accident in the grab handle. Permanent make up, so there was the invention of the sliding shelves that can be adjusted. Convenient to use.The purpose of the research.1. to study the invention of a new rack.2. to compare the use of the original Wall shelves with the new format.3. to study the satisfaction of users of the rack.Research hypothesisThe invention of a new wall rack is better than the old model and rack are in use.The scope of research.1. the satisfaction of the maid's 100 people.2. the invention of time 1 month.Specific termsThe shelves of the old format, meaning that for the placement of one or more of the. There is basically no padding like cabinet door, but closed with a plastic, metal, wood, try. There are several sizes of both wall and set it on the slopes.The shelves of the new format means that the rack made of plywood can move, adjust the placement of the hanging.Customer satisfaction means good or feel good attitude of the person, which is often caused by a response to people who wanted to take a good feeling towards things that the opposite if the needs of people not responding not satisfied, it will happen.Benefits1. the invention of the rack can be more practical in everyday life.2. develop a new rack to better the original.3. use the benefit of time.
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