[in Japanese]

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We are developing and selling the products not only “kind to environment and the family budget” but also “kind to a consumer” under the Universal Design (UD) concept. In such a background, we worked on automation of filter cleaning and developed an air-conditioner with the world's first “Filter Cleaning Robot”, which has been highly evaluated in the market. As further evolution of UD, we have newly developed “an energy saving, powerful, and maintenance free air-conditioner clean for ten years” by combining a newly developed air cleaning unit, a new deodorization filter, and an antibacterial heat exchanger with the “Filter Cleaning Robot”, which frees us from a conventional maintenance.

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To contribute to a sloper making of each item, the authors have classified armhole lines into three patterns. In the previous paper, the authors investigated the method of expression which can compare and perform average operations regardless of the size factors of armhole lines. As a result, it was found out that the investigation is effective by converting armhole lines into the angle plot figures, not to examine armhole lines themselves.
In this paper, the concrete differences and similarities in armhole lines of every item were discussed in details by means of the techniques proposed in the previous papers. In addition, the form which was made by reversing armhole lines and superimposing them and the relation between two items whose armhole lines are rotationally translated and superimposed each other were also discussed. The obtained results are as follows:
1. The forms of armhole lines of the back part of men's shirts conformed exactly to those of ladies' shirts.
2. In the ladies' shirts, the forms of armhole lines of a front part were symmetrical to those of a back part.
3. The forms of armhole lines of ladies' jackets and ladies' slopers could be superimposed by a rotational translation.
4. Six major items, i.e., men's or ladies' shirts, jackets or slopers, which are typical in the present day, could be composed of only three basic curves.
5. A size pace list from a control point can be prepared.
These results could introduce a new guiding principle into graphics of armhole lines, which are assumed to be useful.

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