He ʻoi aku ka maʻalahi a me ka wikiwiki ma mua o ke kaʻina hana kuʻuna e koho i nā kui huki e hoʻopili i nā huahana metala pepa

Ke hoʻohālikelike ʻia me ke kaʻina hana kuʻuna (welding, viscose), loaʻa i ka pilina kui nakinaki nā pono penei:

1. Hoʻohana ikehu haʻahaʻa.

2, makepono a paʻa, hoʻonohonoho maʻalahi, maʻalahi hoʻi e mālama.

3. He nani ke ʻano o ka hui a ʻaʻohe pono o ka mālama ʻana i ka ʻili.

4, ikaika pili kiʻekiʻe, ʻaʻole hiki ke ʻike ʻia ka maikaʻi o ke kiko pili.

5, he maʻalahi ke kaʻina hana, ʻaʻole pono ka mālama mua ʻana a i ʻole ka mālama ʻana ma hope (e like me ka punching, ka mālama ʻana i ka ʻili).