Phriang studies (teredos Barnacles) which is an animal that lives in salt water or brackish water, such as earthworms, marine (Shipworms) and various sea animals tend to damage ships on a regular basis, it is necessary to bring vessels having no opponent to check and clean the hull below the water filling cover concept and sheets of steel. Small water animals that are impacting the hull and machinery as much as possible to get it in this case is phriang (Barnacles) Which is the shape and characteristics vary depending on the terrain. When these phriang come to hull island under water guide will make the boat speed is reduced due to stiffness or resistance of the hull steel plate surface water South high. From observations when the vessel was dry dock to clean the surface of the steel sheet, you'll cruise under water landscape with prunes jagged because of corrosion on electrical or chemical from salinity of sea water to make phriang (egg or an embryo) Can cling to floating and extending the scope to build nests.The Group's research study artificial. "The boat surface cleaning tool" as a tool to get rid of the dirt. From the side of the ship at the time for a long time is Marina can help reduce administrative overhead and maintenance reduces environmental problems another way.
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