Hāʻawi nā huila wili kūloko i ka wili pololei ʻana i nā ʻili o loko e loaʻa ai ka hoʻopau ʻili maikaʻi me ka ana ʻana pololei. Hoʻopili hou ʻia lākou e hōʻemi i ka pinepine o ka ʻaʻahu a hoʻomaikaʻi i nā kumukūʻai hoʻoneʻe waiwai. He ʻokoʻa i ka wili ʻili o ka ʻili, pono nā ʻili o loko i ka conformity hana huila kiʻekiʻe e hōʻike ana e pololei ke kāhiko mua ʻana o ka ʻili huila. Loaʻa nā huila wili i loko i kahi ʻano o nā noi i ka wili ʻana i nā mīkini, nā bearings, nā apo i loko, nā apo o waho, nā nati hoʻokele etc. ʻO kekahi o nā ʻoihana e hoʻohana nei i kēia mau huila.

1. Nā mea hana ʻenekinia

2. Nā mea hana ʻoki

3. Mea hana a make

4. Piha

5. Nā mea kōkua kaʻa