Hor-u-dhig qaabeynta boogta siriyalka ah ee foorariga ah ee loo yaqaan "SS" (hoop) qaabka V ama W ka hor inta aan la daboolin.
Si aad u sameysid qalabka SS-ga ee qaabka U ka hor inta aanad arkaynin SS xoogga lagu dhejiyo garaafka graphite, waxaa loo isticmaalaa mishiinka KXT E1530.
Wareegga yar ee la isku halleyn karo, khaas ahaan loogu talagalay in loo isticmaalo soo saarida gaasta boogta ah iyo xoojinta garaafka casriga ah.
