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.
Small Jaw Crushers. The Type âHâ has cast steel or alloy iron frame, steel bumper with over-size roller eccentric bearings, bronze side bearings and manganese steel jaw and cheek plates. The Type âJâ is made in two styles, one with bronze bearings and the other with anti-friction bearings.