George de Mestral found the idea for Velcro when he saw buttons sticking to fabric., FALSE, The author experimented with various materials for over a decade before finding the right one., TRUE, Velcro was initially popular and widely accepted when it was first introduced., FALSE, NASA used Velcro in the 1960s for its space suits and equipment., TRUE, Velcro can only be used a limited number of times before it loses its effectiveness., FALSE

Leaderboard

Kasalukuyan kaming nagtatrabaho sa pagpapabuti ng pag-andar ng Leaderboard. Mangyaring tulungan kami sa pamamagitan ng pagbibigay ng iyong feedback.

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Mga pagpipilian

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