Baulks of steel-pointed timber or lengths of ferro-concrete which are driven into the harbour bottom and used as the foundations for the platforms of piers and jetties. Some wooden piles are used for facing the sides of stone or concrete wharves. Some piles are made of steel sections which are embedded in rock and reinforced concrete.
Imfumba yentsimbi -amaplanga atsolo okanye okanye ubude bekhonkrithi eyomelezwe ngentsimbi eziqhutyelwe emazantsi ezibuko ezisetyenziswa njenge siseko seqonga sentsika yebrorho kunye nebrorho yokumisa inqanawa. Enye imfumba yemithi isetyenziswa ukujonga amacala amatye kunye nekhonkrithi. Ezinye imfumba zenziwe ngentsimbi ezizinziswe kumatye zomelezwa ngekhonkrithi.