تماشای ویدئو Discover nail manufacturing process Nail production line از آی-ویدئو

- Discover nail manufacturing process - Nail production line In woodworking and construction, a nail is a pin-shaped object of metal (or wood, called a treenail or "trunnel") which is used as a fastener, as a peg to hang something, or sometimes as a decoration.[1] Generally nails have a sharp point on one end and a flattened head on the other, but headless nails are available. Nails are made in a great variety of forms for specialized purposes. The most common is a wire nail. Other types of nail
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