Wiriwiri maripi kakahu whakairo mīhini / kakahu pueru mīhini whakairo whakatūpatotanga mahi

Tuatahi, ki te ārai i ru hiko

1. A, no te faaitoitohia te wiriwiri mīhini whakairo maripi kakahu te ranei rere, e kore tēnā e pa ki tetahi wāhanga hiko i roto i te rūnanga hiko me te papatohu. Te kore e puta he ru hiko.

2. koa kore e mahi i te puku, whakakā o tetahi kakahu whakatikatika mīhini ki ringa mākū ki te ārai i ru hiko.

3. koa kore e tirohia i te raina ranei whakakapi i te wāhanga hiko ki te hiko, te kore e waiho te reira ru hiko whara ranei.

4. kaimahi Whakatikatika ki ōrite tohu hangarau, a kia tino whai i te tiaki hiko whakaritenga hangarau i mua i te whakatika i te mīhini kakahu whakatika. I roto i te take o te aituā.

Tuarua, ki te ārai i te ahi

1. Ko te rauemi mahi whakamahia i roto i te wiriwiri mīhini maripi kakahu whakairo ko te hau pūkākā pērā i acetylene, pōwaro hau liquefied ranei. Na reira, ko te mea e tika ana ki te wā tirohia mēnā hiri te ara iahiko rangi katoa te.

2. Ko te wāhanga pūtake hau o te wiriwiri mīhini whakairo maripi kakahu kia puritia atu i te mura tuwhera, me te whakanohoia ki hauhā noa atu pūrere hāngai ahi tupohe i tata ranei.

3. ki te operator kia whakahaere i te wiriwiri mīhini whakairo maripi kakahu i roto i te wa whakarite kia puta te ahi.