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How to Perform the smoke residue test

"How to Perform the smoke residue test" cover image

See how much tar and smoke stuff goes into your lungs when you inhale just one cigarette. This is brought to you by an ex smoker who lost his larynx.

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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