The ingenious invention to better the button

The zipper has transformed everything from fashion to safety equipment. But the plans to make this intensely useful mechanism took some time to come together…

歩 or Ex-S歩道橋 on X: RT @Kyukimasa: BBC：ボタンより便利なジッパーファスナーの発明と歴史を紹介してる。ジェミニ計画くらいまでは宇宙服にファスナーあったけど、今の船外服はジョイントとOリングでファスナーは全然使われてないのか / X

ABS, aluminum alloy Level protractor: easy to carry, measurement value response speed, lcd display, it is very professional. Digital level and angle

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25mm Metal Stainless steel Push Button Switch IP67 Maintained/Momentary Reset 5A

Did you know you can “wash” your smartphone at McDonald's in Japan? 【Video】

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