plain lapped seam

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Seam types — in the apparel industry are used to categorize seams according to their structure. Each is classified by the abbreviated seam type (example: Superimposed Seam = SS). This standardization system can be helpful when communicating construction… … Wikipedia
welding — Technique for joining metallic parts, usually through the application of heat. Discovered in the 1st millennium AD during attempts to manipulate iron into useful shapes, the technique produced a strong, tough blade. Welding traditionally involved … Universalium

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