Hiki ke hana ʻia ke ʻano o nā mea hana mai ka lāʻau a hiki i ka mea synthetic o kēia manawa, me nā metala ʻeleʻele, nā metala non-ferrous, nā metala pauka a me ka plastic.Ua loaʻa nā mea hana kahiko me nā pōhaku.ʻO ka mea i koho ʻia e pili i ka hiki ke lawe, ikaika, anti-point erosion, ke ola a me ke kumukūʻai o ka mea hana.
He paʻakikī ke koho ʻana i nā mea hana, a ʻo ke koho e kau ʻia ma luna o ka lawelawe, hana a me nā koi waiwai.ʻO ka mea mua, pono ke koho ʻana i nā mea pono e pili ana i ka hana i koi ʻia e ka noi, a pono e pili i ka ukana kikoʻī a me ke ola e pono ai no ka noi.Pono e loiloi mau ʻia ka hoʻohālikelike ʻana o ka mea, ka haku mele, nā mea hana, nā waiwai mechanical a me nā kumukūʻai o ka mea, ka haku mele, nā mea hana, nā waiwai mechanical a me nā kumukūʻai.Wahi a nā mea noi mea hana, pono paha kāna mau hiʻohiʻona i nā hiʻohiʻona o ke kūpaʻa corrosion a me nā hiʻohiʻona uila a magnetic paha.
1. Pono nā mea hana e hoʻokō i nā koi o nā kūlana hana.No ka laʻana, pono e hoʻokō ka mea hana ma ka mokulele i nā koi o ke ʻano liʻiliʻi, ka mana hoʻoili nui, a me ka hilinaʻi kiʻekiʻe.No laila, he mea pono ʻO ka lepo lepo i loko o ke kaiapuni a puni he kiʻekiʻe loa, no laila, koho pinepineʻia no ke kila kila a iʻole ka hao;liʻiliʻi ka mana o ka mīkini home a me ke keʻena, akā pono ia e kūpaʻa, haʻahaʻa haʻahaʻa a ʻaʻohe walaʻau, a hiki ke maʻamau ma lalo o ka liʻiliʻi o ka lubricating a i ʻole ka lubricating state.ʻO ka hana, no laila hoʻohana pinepine ʻia nā plastics engineering e like me nā mea hana.I ka pōkole, ʻo nā koi no nā kūlana hana nā mea pono e noʻonoʻo mua i ke koho ʻana i nā mea hana.