Ki kaponi crescent, ki pine afa li'o, ki afa masina

Fa'amatalaga puupuu ole pine ki semicircular:
O pine ki semi-circular e masani ona faʻaogaina mo fesoʻotaʻiga i faʻasalalauga faʻainisinia e tuʻuina atu ai le malosi poʻo le amoina o uta. E mafai ona faʻaaogaina e faʻafesoʻotaʻi ai le 'au ma le 'au ina ia mafai ai e le lua ona feliuliuaʻi faʻatasi ma mafai ona tatalia nisi o avega radial ma axial. E masani ona fa'apipi'i fa'amau 'afa-li'o i ala fa'alava, lea e mafai ona fa'aogaina i totonu o le 'au po'o le 'au. O pine ki semi-circular o loʻo i ai uiga o le fausaga faigofie, faʻapipiʻi faigofie, ma le tele o le gafatia o le amoina, o lea na faʻaaogaina lautele ai i le faʻaogaina o masini.

Pe a faʻaogaina pine ki afa liʻo, e tatau ona e gauai atu i vaega nei:

1. Filifili le lapopoa ma le ituaiga ki talafeagai ina ia mautinoa e mafai ona tatalia le avega manaʻomia ma torque.
2. Pe a faʻapipiʻi le pine semi-circular key, e tatau ona faʻamautinoa o le ala autu e mama ma faʻamafola e aloese ai mai mea leaga ma burrs e ono aʻafia ai le lelei faʻapipiʻi.
3. A faʻapipiʻi le pine semi-circular, e tatau ona e faʻaogaina meafaigaluega faʻapipiʻi talafeagai ma metotia e aloese ai mai le faʻaleagaina o le pine ki poʻo le ala autu.
4. I le taimi o le faʻaaogaina, e tatau ona siaki e le aunoa le faʻamauina ma le faʻaogaina o le faʻaogaina o pine ki semicircular, ma vave suia faʻamaʻi faʻaleagaina poʻo ua matua masaesae.

I se faapuupuuga, o le pine ki semi-circular o se vaega taua tele fesoʻotaʻiga faʻainisinia. A faʻaaogaina, e tatau ona e gauai atu i le filifilia o le faʻataʻitaʻiga talafeagai ma le lapopoa, mulimuli i le auala saʻo faʻapipiʻi, ma faia asiasiga masani ma tausiga ina ia mautinoa e mafai ona galue lelei ma faʻalauteleina lona ola tautua.