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Historically, the Western shipping companies (Norwegian, British, German, American, Greek and others) investigated various solutions to the hull cleaning problem since 1972, ending up in the very costly solution of taking the ships out to shipyards. Afterwards, the single brush method was utilized and the hull cleaning became more mechanical.

In 1975, due to heavy demand, there were many types of hydraulic and electrical hull cleaning 3-brush machines. The BRUSH-KARTTM soon became the undisputed leader of its category. The BRUSH-KARTTM machine needs only one diver and is proven throughout the years to be the most reliable and durable that can possibly be constructed; A DW 35,000 tonnage ship can be hull-cleaned in six hours with only two divers.

Soon after, all the major ports in the United States, Europe, Australia, the Middle East and the most important passageways such as Panama, Singapore, Gibraltar, the Canary Islands, Cape Town begun using these machines to save fuel and time.

Along the hull cleaning & propeller polishing services described here above, service stations around the world usually offer a range of related underwater husbandry services such as inspections through CCTV in lieu of dry-docking for the major Classification Societies, welding/cutting, replacement of anodes, plugging and other jobs. However, the emphasis on this report is placed mainly on the hull cleaning & propeller polishing part of the business because: a) it is the “bread and butter” part of the business that usually leads to the demand of the other related services, b) it offers the most interesting profit margins, and c) it requires the major capital commitment of a properly equipped station in the form of the described specialized equipment, most often financially inaccessible by small, local diving companies.