ʻO ka mea mua, kūpono no ka hoʻohana ʻana: hiki ke hoʻohana ʻia nā ʻano kihi āpau ma 18-62mm valve; ʻO ka pā kila koho ʻelua, kahi hoʻoheheʻe: maka hana a me luna a me lalo chamfering kahi hana; ʻEkolu, ʻaʻohe wili: ʻo ke apo noho valve ma hope o ka hana ʻana ʻaʻole pono i ka wili, hiki ke hoʻohana pololei ʻia me ka valve hou; ʻEhā, hoʻonohonoho pololei: e hōʻoia i ka noho valve hana maka Angle, ke kūlana o ka chamfer luna a me lalo, ākea a me ka coaxiality me ke alakaʻi valve; ʻElima ka hoʻohana ʻana: ʻo ka pahi reamer me ka puʻupuʻu…
