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  1. HAYEAR 4K Industrial Microscope Camera HDMI USB Outputs 180X C-mount Lens 144 Review

    HAYEAR 4K Industrial Microscope Camera HDMI USB Outputs 180X C-mount Lens 144 Review

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  2. China tests starfish-inspired robot on Tiangong Space Station for critical repair works

    China tests starfish-inspired robot on Tiangong Space Station for critical repair works

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