● Manja a mkuwa wa graphite amagwiritsidwa ntchito pa tayi-bar ndi kalozera wotulutsa. Ma graphite copper block pads omwe amagwiritsidwa ntchito pa mbale yosuntha ndi mbale yomaliza amasunga zisankho zachangu komanso zolondola.
● Kokakokerani pang'ono ndi kalozera wolondola chifukwa cha kalozera wa jekeseni.
● Kupanga mwapadera zomangira zonse L:D=20:1 pakupanga mayunitsi amtundu uliwonse wosavuta kusintha.Kutha kufanana ndi zofunikira zonse zamakasitomala.