He aha nā mea e pono iaʻu ke koho i ka puʻu PU?

I loko o ka mākeke puʻupuʻu PU, ua māhele ʻia i ʻelua ʻano: ʻano manual a me ke ʻano pū. Inā ʻaʻole ʻoe i ʻike i ka puʻupuʻu PU maikaʻi, pono paha ʻoe e aʻo mai kēia mau ʻaoʻao.

E nānā i ka hopena o ka pū

Inā he pū-ʻano PU ʻōhū, e nānā inā maʻemaʻe ke kāpili a maikaʻi paha ka hopena. ʻO ka mea maʻamau, ʻaʻole e lahilahi a ʻeleʻele paha ka ʻūhā, inā ʻaʻole ia e hoʻopili i ka hopena hoʻopiha.

E ho'āʻo iā ʻoe iho

Ma mua o ke kūʻai ʻana, hiki iā ʻoe ke pīpī i ka ʻūhā PU ma ka nūpepa e ʻike inā ua hāpai ʻia nā wēlau o ka huʻa. Ke hana ʻia kēia, ʻoi aku ka kiʻekiʻe o ka emi ʻana o ka pua. Inā ʻaʻohe warping, ʻo ia ke ʻano o ka maikaʻi o ka huʻa a hiki ke hana paʻa. E hui pū me nā mea hoʻolako ikaika, ʻoi aku ka hilinaʻi, ʻaʻole hiki ke nānā wale i ka noiʻi ʻana o ka puʻupuʻu PU, akā hāʻawi pū kekahi i nā hāmeʻa noi puʻupuʻu PU maʻamau, i hoʻohana nui ʻia i ka ikehu hou, pūʻali koa, lāʻau lapaʻau, mokulele, moku, uila, Automotive, mea kani, mana lako. , kaʻaahi kiʻekiʻe a me nā ʻoihana ʻē aʻe.

E nānā i ke ʻano o ka pua

No ke koho ʻana i kahi puʻupuʻu PU ʻoi aku ka maikaʻi, ua ʻōlelo ʻia e ʻoki i ka ʻōpala a nānā. E nānā inā ʻaʻahu a maikaʻi ke ʻano o loko. Inā nui nā pūnaewele, ʻaʻole maikaʻi ka density a ʻaʻole kūpono ke kūʻai. ʻ

E nānā i ka ʻili o ka huʻa

E nānā pono i ka ʻili o ka pahu, ʻo ka ʻili kiʻekiʻe he maʻalahi a ʻālohilohi ka ʻili, ʻaʻole i palahalaha e like me ka ʻili o ka ʻōpala maikaʻi ʻole. E nānā i ka nui o ke kelepona, he poepoe a piha ka huʻa kiʻekiʻe, ʻoiai he liʻiliʻi a hāʻule ka huʻa ʻilihune, ʻaʻohe waiwai hoʻohana kiʻekiʻe. ʻO

E hoʻopā i ka ʻili o ka huʻa

E ho'āʻo me kou lima e ʻike inā he lohi ka huʻa. Loaʻa ka elasticity maikaʻi o ka huʻa maikaʻi, ʻoiai ʻo ka huʻa maikaʻi ʻole ka paʻakikī a me ka brittleness hiki ʻole ke pale aku i ka extrusion waho.