| 摘要 |
The current invention renews, in a system and device method, a needed answer to a situation when an infant or a child shift/change his, or her, position when awake or fell asleep. The purpose of the current invention is to offer a various solutions of safety seats, beds or mattresses adjustments, whether in an automatic way, semi automatic or manually, which deliver the right, and healthy, angle for the child (till full horizontal)
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