Izifudumezi zekhoyili ezivulekile ziyizifudumezi zomoya ezibeka obala indawo ephezulu yokushisisa ngokuqondile ekugelezeni komoya. Ukukhethwa kwe-alloy, ubukhulu, kanye negeji yocingo kukhethwe ngendlela ehlakaniphile ukuze kwakhiwe isixazululo esingokwezifiso ngokusekelwe ezidingweni ezihlukile zohlelo lokusebenza. Imibandela yesicelo eyisisekelo okufanele icatshangelwe ihlanganisa izinga lokushisa, ukugeleza komoya, umfutho womoya, indawo ezungezile, isivinini serempu, imvamisa yokugibela amabhayisikili, indawo ebonakalayo, amandla atholakalayo, nempilo ye-heater.
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