It is used for temporary repairs and leak-stopping, particularly where the work has to be done by divers and where there is no inflow of water through the leaks-in a submerged compartment, for example, which has been flooded up.
Isetyenziswa ekulungiseni kwexeshana nasekuvaleni ukuvuza, kanye xa umsebenzi uza kwenziwa ngabantywili kwaye kungekho manzi angenayo kwindawo ezivuzayo kwigumbi elintywiliselweyo, umzekelo, ebelingenwe ngamanzi.