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Diaphragm aperture smoothly widens, macro view inside the optical device.
Vertical video: African American mentor measuring board guiding apprentice assembling frame at shop. Craftsmanship, workshop, collaboration, precision, manual, construction, vertical video
Manually applying a protective solution to wood using a roller. Close-up of the roller rolling over the wood.
African American man placing frame then sanding beam with block at workbench for smooth finish. Craftsman, woodworking, craftsmanship, workshop, furniture, carpentry, manual labor
Craftsman mounting metal rod on lathe, guiding cutting tool shaping cylinder in metal shop daylight. Industrial, workshop, machining, craftsmanship, manual, engineering, precision

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