Mālama maʻalahi a me ka manawa hoʻomaha pōkole: ʻO ke kānana aila waho, nā paipu kila kila, a me ka hoʻonohonoho maʻalahi o ka valve hoʻokahe e ʻae i ka mālama ʻana me ka ʻole o ka wehe ʻana i ka mīkini holoʻokoʻa, e mālama ana i ka manawa a me ka hoʻoikaika i ka mālama ʻana i kēlā me kēia lā.
Kūpono no nā kūlana āpau, mai nā papa lahilahi a i nā papa mānoanoa: Inā paha he ʻokiʻoki papa lahilahi pololei, ka hana ʻana i ka papa waena a mānoanoa, a i ʻole ka lako ea no nā laina hana hana aunoa, ʻo ka mea hoʻopili ea ʻokiʻoki laser kahi kūpono loa, e lilo ia i hoa makemake ʻia no ka hana ʻana i ka pepa metala.
