No ka pololei ferrous i hana maʻamauʻāpana mīkini metala, Hoʻohana nui ʻia ka mīkini CNC no ka loaʻa ʻana o ka hoʻomanawanui a me ka ʻili o ka ʻili. ʻO nā metala ferrous i hiki ke hana ʻia ma RMC e uhi i nā ʻano he ʻumi. ʻO kā mākouNā lawelawe mīkini CNCkūpono no ka mīkini kila kila, ka mīkini kila kalapona,mīkini kila kilaa me ka hana hao. Hiki ke hoʻohana ʻia ke kiʻi kila kila ma muli o kā mākou ʻike waiwai anā lako mīkini i hoʻonohonoho pono ʻia.