Paninga irahiko tawhiti-whero

He mea hanga ki te emulsion kapia hei rauemi turanga, he mea whakaranu ki ngā kohuke hihi-whāwhā tawhiti, ngā whakakī, ngā tae me ngā momo tāpiri. He ātete pāmahana teitei tēnei paninga penapena-pūngao motuhake (pāmahana kua whakarōpūtia: 1700°C), he nui te tukunga (0.95), he ātete waikura pai rawa atu, ā, he ātete kakahu pai rawa atu. Ka taea e ia te whakapai ake i te pai o te wera o ngā oumu me te whakatere i te tere whakamahana o ngā rauemi tukatuka. Hei tāpiri, ka tiakina ngā arai oumu i hangaia ki ngā muka uku mā te aukati, te whakaiti rānei i tō rātou whakahekenga, te whakakōkī me te pakaru, ā, ka piki ake te pāmahana ratonga me te whakaroa i te roa o te ratonga.
Hei rauemi e whakauru ana i te ātete ahi me te whakamarumaru wera, ka mau tonu te kaha kume, te pakari me te hanganga muka pai ina whakamahia i roto i ngā hau koretake me ngā hau waikura. He ātete te hua ki te poke hinu, ā, ka taea te whakahoki katoa i ōna āhuatanga wera me te ā-tinana i muri i te maroke.