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 most popular type of can crusher without any doubt is a vertical or wall mounted can crusher. But there are some occasions that you cannot mount a crusher to a wall and need to install it to a horizontal surface such as table, or you donât want to install the crusher at all and use it as a portable can crusher. For this case you need to purchase one of tools called portable can crushers.