Jaw crusher is among the most important crushers and it is usually used in the mines az primary crusher . jaw size is determined by the rectangular dimensions of the opening above that. Crushing in the jaw is performed by pressing and striking the rocks .it is used in different mines such az sand and gravel , iron ore , lead , zinc , etc , it is suitable for mountain and river mines and is manufactured in different models including 60*40 , 90*40 , 90*60 , 63*100 , 80*100 , 90*110.
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