Μέθοδος κατασκευής βοηθητικού εξοπλισμού κολύμβησης

1. Το υπόδειγμα χρησιμότητας αφορά τον τεχνικό τομέα του εξοπλισμού κολύμβησης, ιδίως του βοηθητικού εξοπλισμού κολύμβησης.

Τεχνική παρασκηνίου:

2. Swimming is a person who floats upwards under the buoyancy of water, and moves regularly through his limbs by virtue of buoyancy. When novices learn to swim, they generally use a swimming ring. The swimming ring is similar to a lifebuoy and is used in the water. Full of air, the swimming ring has buoyancy. It's all air inside. The swimming ring can be used to assist in learning to swim without sinking people. However, the existing swimming ring is not suitable for everyone, and when the existing swimming ring is damaged and leaks, the buoyancy is reduced, so that the user cannot be kept floating, which is likely to cause danger to the user.

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