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.
Osteonecrosis of the jaw (ONJ) was first reported in the dental literature in 2003 [1, 2]. The term was coined to describe a spectrum of dental problems seen in cancer patients treated with intravenous bisphosphonates for the prevention of skeletal-related events (bone metastases, hypercalcemia, and skeletal pain).