ʻO nā hiʻohiʻona o ka hānai puaʻa:

1.Overall o ka ipu kila e lūlū i ka ʻenehana hoʻoheheʻe kila, ʻaʻole i māhele.

2.Have ekolu paʻa paʻi, puaʻa slot oi paa.

3. E hoʻopaʻa ʻia nā ʻaoʻao ʻelua o ka pā kila me nā wili, e ʻoi aku ka paʻa, ʻaʻole hiki i ka puaʻa ke pio.

4. The steel plate sow trough use 360 ​​degere smooth polished, wahī lihi lapaʻau, mai eha ka puaʻa waha.