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permanent joining method - Coggle Diagram
permanent joining method
adhesives(gulue)
PVA (wood glue) 
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It is a water-based adhesive, and works by soaking into the surface of the timber and setting when the water has been absorbed.
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contact glue
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Adhesion takes place as soon as the two surfaces make contact and there is no opportunity for repositioning
nails
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Nails are sold by type, length, material and weight.
rivets
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pop rivet
pop rivet gun
Rivets are used to make permanent joints in sheet metal, but the process can also be used to join acrylic, plywood and other soft materials together and to each other
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