B.A.S. dredges are self-propelled boats including an assisted gearing and a muds pump specially designed for extracting or drilling materials from the sea, lacustrine or river bottoms. The materials of the different elements included in B.A.S. dredge depend on the dredging site and the type of dredged materials. Materials can be stainless steels, glass fibers for corrosive environments and/or special alloy steels (manganese, nickel, chrome, etc) resistant to the wearing for abrasion, impact, etc.
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