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Day shapes. Day shapes are mast head signals visually indicating the status of a vessel to other vessels on navigable waters during daylight hours whether making-way, anchored, or aground. These signals consist of a set of simple geometric shapes— ball, cylinder, cone, and diamond —that are displayed, hung from a mast, in a prescribed ...
Fishing sinker. A fishing sinker or plummet is a weight used in conjunction with a fishing lure or hook to increase its rate of sink, anchoring ability, and/or casting distance. Fishing sinkers may be as small as 1 gram (0.035 oz) for applications in shallow water, and even smaller for fly fishing applications, or as large as several pounds (>1 ...
Pharos was a small island located on the western edge of the Nile Delta.In 332 BC, Alexander the Great founded the city of Alexandria on an isthmus opposite Pharos. . Alexandria and Pharos were later connected by a mole [6] spanning more than 1,200 metres (0.75 miles), which was called the Heptastadion ("seven stadia"—a stadion was a Greek unit of length measuring approximate
Portland Head Light, Maine, William Aiken Walker. Casco Bay is an inlet of the Gulf of Maine on the coast of Maine in the United States.The National Oceanic and Atmospheric Administration's chart for Casco Bay marks the dividing line between the bay and the Gulf of Maine as running from Bald Head on Cape Small in Phippsburg west-southwest to Dyer Point in Cape Elizabeth.
On a nautical chart with depths indicated in fathoms, it appears as a broad area with many "14" notations. broadhorn An alternate term for a flatboat. broadside 1. One side of a vessel above the waterline. 2. All the guns on one side of a warship or mounted (in rotating turrets or barbettes) so as to be able to fire on the same side of a warship.
Mining. Mining of sulfur from a deposit at the edge of Ijen 's crater lake, Indonesia. Mining is the extraction of valuable geological materials and minerals from the surface of the Earth. Mining is required to obtain most materials that cannot be grown through agricultural processes, or feasibly created artificially in a laboratory or factory.
Diamond[a] is a gemstone formed by cutting a raw diamond. Diamonds are one of the best-known and most sought-after gems, and they have been used as decorative items since ancient times. The hardness of diamond and its high dispersion of light —giving the diamond its characteristic "fire"—make it useful for industrial applications and ...
In addition to the Falkland Islands government, the search and rescue operation involves the government of South Georgia and the South Sandwich Islands, HQ British Forces South Atlantic Islands ...