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Within the muscle cell structure are many long fibers that do the actual contracting of the muscle.
Fresh pea shoots scattered gray concrete background healthy fibre superfood
template Technician Fiberoptic Fusion Splicing. Worker connecting for Cable Internet signal and Wire connection with Fiber Optic Fusion Splicing machine,fiber optic cable splice machine in work
Microfiber cloth and label close up
Optical fiber. Optical fiber communication concept. 3d rendering

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