The aircraft carriers of the Nimitz Class are the largest warships currently in service in the world. At around $4.5 billion each, these carriers are the most expensive ship on this list. The ten ships of this class help the United States flex its military muscle around the world.
Introduction to China Jaw Crusher. Jaw crushers machine are invented in 1858 and first widely applied in road paving and then in mines.
The gape determines the maximum size of material that can be accepted. Maximum size that canbe accepted into the crusher is approximately 80% of the gape.Jaw crushers are operated to produce a size reduction ratio between 4:1 and 9:1.