Also called carotid artery disease, carotid stenosis is caused by a buildup of plaque inside the artery wall that reduces blood flow to the brain. The process of plaque buildup is called atherosclerosis. Carotid stenosis is a major risk factor for stroke and can lead to brain damage.
Most shipbuilders in the United States are privately owned, the largest being Huntington Ingalls Industries, a multibillion-dollar defense contractor, and the oldest family owned shipyard being Colonna's Shipyard in Norfolk, VA.
Netherlands () The world's largest floating crane ship is Thialf, a 201.6 m (661.4 ft) long semi-submersible barge with a lifting capacity of 14,200 tonnes (31.3 million lb). Thialf is operated by Heerema Marine Contractors of the Netherlands.