High pressure vacuum waterjet for cleaning ship hulls.
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Previously:
https://www.homemadetools.net/forum/...516#post127995
https://www.homemadetools.net/forum/...821#post148364
https://www.homemadetools.net/forum/...887#post137368
https://www.homemadetools.net/forum/...764#post111513
https://www.homemadetools.net/forum/...3423#post99048