Answers (6)

pankarithi 22-05-2013
Extruded tiles are formed by forcing the clay material through a mold to the desired shape versus pressing the tile.  
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subash_rana 22-05-2013
Tooth movement toward eruption. Natural extrusion: teeth grow until there is connection with another tooth. Mechanical extrusion: to pull the teeth so it extends farther from your gums.  
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