Riveting refers to the method of riveting two plates or objects together with a rivet gun by punching holes in their parts and then putting rivets in them.
Mortise and tenon are the basic combination of China classical furniture and modern furniture, and also the main combination of modern frame furniture. Tenon joint is made of two materials, one is made of tenon, the other is made of mortise, and the two materials are put together, and the two materials are fixed together through material friction. Mortise and tenon is a common skill in traditional architecture in China, and it is the crystallization of the wisdom of our ancestors.
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Screw history
The first person to describe the spiral was the Greek scientist Archimedes (about 287 BC-2 BC12 BC). Archimedean spiral is a huge spiral in a wooden cylinder, which is used to lift water from one floor to another and irrigate fields. The real inventor was not Archimedes himself.
In the Middle Ages, carpenters used wooden nails or metal nails to connect furniture with wooden buildings. /kloc-In the 6th century, nail makers began to produce nails with spiral lines, which can connect things more firmly. This is a small step from this nail to the screw.
Around A.D. 1550, the earliest metal nuts and bolts as fasteners appeared in Europe, all of which were made by hand on simple wooden lathe. Screwdrivers (screwdrivers) appear around London 1780. Carpenters have found that tightening screws with a screwdriver can fix things better than beating them with a hammer, especially when fine-grained screws are involved.
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