The strands are constructed of large numbers of small gauge wires which are made of higher quality steel than are those used for the other two groups.
Imisonto yakhiwe ngokwesixa samanani anokufuneka amancinci amacingo athi enziwe abe kumgangatho owomeleleyo ophezulu kwaye lawo ayasetyenziswa ngokwamnsinya amaqela amabini.