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.
The Hyundai chaebol, which also owns Kia, builds much more than cars. Hyundai Heavy Industries is the world's largest shipbuilder â with a shipyard in Ulsan, South Korea, that stretches over four kilometres of coastline â and has expanded into construction for offshore oil and gas projects around the world.