Side keel blocks, and sometimes cradles in the wake of (below) concentrated weights, are also used for heavier ships.
Izibenda eziseke inqanawe emacaleni, ngamanye amaxesha kuthiwa sisakhelo phezu kemsinga (ngaphantsi) kobunzima ebungamandla, ziyasetye-nziswa haze kwiinqanawe ezinzima.