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A female scientist in a lab coat and protective gear carefully handles test tubes with colorful liquids. The modern lab, equipped with advanced instruments, highlights precision and innovation.
Metal gears wheels from large to small on white background . Repair parts, cogwheels, screw-wheels
A close-up of a decorative clock featuring brass gears and Roman numerals, set against a warm wooden background. The artistic mechanism conveys time, craftsmanship, and vintage style.
A gear wheel or pinion is a basic part of a gear train in the form of a disc with teeth on a cylindrical or conical surface meshing with the teeth of another gear
Internal device of mechanical clock.,3d render

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