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Cord for assisting learning of knots has optical design and tactile structure to define two sections
Cord for assisting learning of knots has optical design and tactile structure to define two sections
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机译:辅助学习结的绳索具有光学设计和触觉结构,可定义两个部分
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摘要
The cord for learning tying knots has an optical design and a sensible morphological structure with two distinct sections. The optical design can have color or pattern combinations. The length, width and cross section can match the required usage. The cord can be of cotton, synthetic fibre, cotton mix or leather.
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