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How to Create pneumatic power with a hand air pump

Applying sealant with a caulking gun.

Check out this video to see how to make pneumatic power with stuff from your dumpster. Take one empty Tekapur (polyurethane foam) spray can, and one hand air pump, and watch the instructions. Soon, with a wee buit of time and effort, you'll have some cool pneumatic power at your fingertips.

Apple's iOS 26 and iPadOS 26 updates are packed with new features, and you can try them before almost everyone else. First, check Gadget Hacks' list of supported iPhone and iPad models, then follow the step-by-step guide to install the iOS/iPadOS 26 beta — no paid developer account required.

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