float to the surface
121Paravane (water kite) — The paravane is a towed winged (hydrofoiled) underwater object water kite that has found applications in a peace and war. The water kites have been used in sport fishing, commercial fishing, marine industry, scientific exploration, water play,… …
122Downs cell — The Downs process is an electrochemical method for the commercial preparation of metallic sodium, in which molten NaCl is electrolyzed in a special apparatus called the Downs cell.[1] How it works Schematic diagram of the Downs cell …
123Xun-1 Training mine — The Training 1 (训 1, or Xun 1) training bottom mine is a training naval mine developed by Fengxi Machinery Factory (汾西机器厂) in China, and was accepted into service in November 1982. Training 1 training bottom mine can be used to train every bottom …
124Plasterwork — refers to construction or ornamentation done with plaster, such as a layer of plaster on an interior wall or plaster decorative moldings on ceilings or walls. This is also sometimes called pargeting. The process of creating plasterwork, called… …
125Argo (oceanography) — Argo is an observation system for the Earth s oceans that provides real time data for use in climate, weather, oceanographic and fisheries research. [ [http://www.aip.org/pt/vol 53/iss 7/p50.html Physics Today: Argo Begins Systematic Global… …
126Decompression (diving) — Divers decompressing in the water at the end of a dive Decompression in the context of diving derives from the reduction in ambient pressure experienced by the diver during the ascent at the end of a dive or hyperbaric exposure and refers to both …
127Paper marbling — Book covered in a Shell marbled paper, bound in France around 1825. Paper marbling is a method of aqueous surface design, which can produce patterns similar to smooth marble or other stone. The patterns are the result of color floated on either… …
128Spearfishing — Spearfisherman redirects here. For the former diving gear company see Spearfisherman (company). Spearfishing is a form of fishing that has been popular throughout the world for centuries. Early civilizations are familiar with the custom of… …
