They must not be confused with the turning-in screw, which is used to break-in a wire rope round a thimble and which is sometimes called a rigging screw.
Kufuneka zingabhidaniswe nojikelezo lweskrufu esisetyenziswa ekuqhawuleni intambo yocingo irhangqele ifimbili ngamanye amaxesha ibiziwe ngezikrufu zokuxhobisa.