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Gillnetting is a fishing method that uses gillnets: vertical panels of netting that hang from a line with regularly spaced floaters that hold the line on the surface of the water. The floats are sometimes called "corks" and the line with corks is generally referred to as a "cork line." The line along the bottom of the panels is generally weighted.
A ring binder, folded. Ring binders (loose leaf binders, looseleaf binders, or sometimes called files in Britain) are large folders that contain file folders or hole punched papers (called loose leaves). These binders come in various sizes and can accommodate an array of paper sizes. These are held in the binder by circular or D-shaped ...
The 3-ring release system is a parachute component that is widely used by sport skydivers and military freefall parachutists to attach the two risers of a main parachute to the harness that bears the load under the parachute. Invented in its original large ring form by Bill Booth, [1] and subsequently scaled down for thinner Type 17 webbing ...
Typical cup and ring marks at Weetwood Moor, in the English county of Northumberland (Google Maps). Cup and ring marks or cup marks are a form of prehistoric art found in the Atlantic seaboard of Europe (Ireland, Wales, Northern England, Scotland, France (), Portugal, and Spain – and in Mediterranean Europe – Italy (in Alpine valleys and Sardinia), Azerbaijan and Greece (Thessaly [citation ...
It’s possible your ring will be emblazoned with a maker’s mark. If so, learning more about the company that made your ring can help you uncover its origins. Some maker’s marks will be easier ...
Binder (material) A binder or binding agent is any material or substance that holds or draws other materials together to form a cohesive whole mechanically, chemically, by adhesion or cohesion. More narrowly, binders are liquid or dough-like substances that harden by a chemical or physical process and bind fibres, filler powder and other ...
Antikythera mechanism. The Antikythera mechanism (fragment A – front and rear); visible is the largest gear in the mechanism, about 13 cm (5 in) in diameter. The Antikythera mechanism (/ ˌæntɪkɪˈθɪərə / AN-tik-ih-THEER-ə, US also / ˌæntaɪkɪˈ -/ AN-ty-kih-) [ 1 ][ 2 ] is an Ancient Greek hand-powered orrery (model of the Solar ...
The conformer of methylcyclohexane with equatorial methyl is favored by 1.74 kcal/mol (7.3 kJ/mol) relative to the conformer where methyl is axial. In organic chemistry, a ring flip (also known as a ring inversion or ring reversal) is the interconversion of cyclic conformers that have equivalent ring shapes (e.g., from a chair conformer to ...