Nidaamka Ka Hortagga Kobaca Badda, oo sidoo kale loo yaqaan Nidaamka Ka-hortagga Fouling, waa tignoolajiyada loo isticmaalo si looga hortago isu-ururinta koritaanka badda ee dusha sare ee qaybaha markabka. Kobaca badda waa ururinta algae, barnacles, iyo noole kale oo ku yaal sagxadaha biyaha hoostooda, kuwaas oo kicin kara ...
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