● Umkhono wobhedu wegraphite osetyenziswa kwi-tie-bar kunye ne-eject guide bar. I-graphite ye-copper block pads esetyenziswe kwi-movement plate kunye ne-end plate igcina i-mold ekhawulezayo kunye nechanekileyo indawo evulekileyo.
● Utsalo olusezantsi lokukhuhla kunye nesikhokelo esichanekileyo ngenxa yesikhokelo somgca wesitofu.
● Uyilo olukhethekileyo lonke isikrufu L:D=20:1 kulo lonke ubungakanani beyunithi yokuseta ukuseta lula ukutshintsha.