A: Ae, ka taea e koe te whakarewa koura me te kore rere. Ko te koura parakore, me te ira whakarewa tata ki te 1064°C (1947°F), ka taea te rewa ma te whakamahi i te puna wera wera teitei penei i te propane - rama hāora, oumu hiko ranei. Ka whakakorehia e Flux nga poke me te whakaiti i te waikura, engari mena he parakore te koura, a, kaore he take o te waiora, kaore e hiahiatia te rere. Heoi, ka taea e te rewharewha te whakarei ake i te kounga rewa ina pa ana ki te koura parakore.
Ko Shenzhen Hasung Precious Metals Equipment Technology Co., Ltd. he kamupene miihini hangarau kei te tonga o Haina, i roto i te tāone ataahua me te tino tere te tipu ohaoha, arā, ko Shenzhen. He kaiārahi hangarau te kamupene i roto i te ao o ngā taputapu whakamahana me te whakarewa mō te umanga konganuku utu nui me ngā rauemi hou.
Mā te mōhiotanga pakari ki te hangarau whakarewa korehau ka taea e mātou te mahi ki ngā kiritaki ahumahi ki te whakarewa i te maitai whakarewa-teitei, te koranu platinum-rhodium e hiahiatia ana te korehau teitei, te koura me te hiriwa, me ētahi atu.