Re khetha lisebelisoa tsa tšepe tsa boleng bo holimo tsa 42CrMo le 40CrNiMo, re sebelisa lisebelisoa tse ikemetseng tsa CNC ho netefatsa ho nepahala ha sehlahisoa le litlhoko tsa ponahalo, khetha mokelikeli o timang o tsoang kantle ho naha le theknoloji e khethehileng ea ho lokisa mocheso, 'me re ntlafatsa haholo bophelo ba ts'ebeletso le botsitso ba lichisele.