Mō ngā papa tukatuka hiko, e tino mōhio ana ngā tohunga o te ao hokohoko ki ngā Papa Hau Tōpuapua e Toru te Takirua. He nui ngā painga o ēnei papa e pai ana hei hua mō te hokohoko matua, engari i te wā kotahi ka āhua heke haere ana i ētahi take whakamahinga. Me mōhio te tangata ki te ara e haere nei te Papa Hau Tōpuapua e Toru te Takirua ka taea e koe te āwhina i ngā kaihoko kia whakatau pai ake mō te mea e hiahiatia ana rātou, ā, mā te mōhio ki ngā hua e pono ana ki te mākeke, ka penapena koe i te wā nui. Hei kaihanga matua o Three Phase DB Boards i Sinitia, ko Shangdian te kaiarahi ki te hoahoa me te hanga i ngā Three Phase DB Boards ki ngā paerewa katoa.
E whai paku tahi ana te 3 phase db board nā reira i te mea noa i ngā taiao hangarau. Ka taea e rātou te tango i ngā uta hiko kaha ake, ā, ko te tauā kaupapa nei i te whakareretanga ki te papa takirua. E pai ana hoki tēnei mō ngā mīhini rākau rānei nui e hiahiatia ana he kaha nui kia mahi. Anō hoki, ko ngā Papa DB Toru Atamira e tuku ana i tētahi puna hiko tūpuna, ka aronga ai te itinga o ngā korikori hiko, ka whakaratohia te mahi ūrite mō ngā taputapu maha. Ko tētahi atu painga ko te taea te wehe tōmuri ake i te uta hiko ki runga i ngā atamira e toru, kia kaua e tino kīia tētahi atamira, ka piki ake ai te whakamahi tūmatanui.
Kei te nui ngā painga o ngā Papa Tūarorangi Toru, engari kei ētahi take pōmātata e pā ana ki tana whakamahinga me mōhio ai ngā kaihoko. Ko te aronga ki te taurite o ngā atamira hei hua o ngā ngoikera e pā ana ki ngā rerekētanga i waenganui i ngā atamira nā te wehenga koretake o te uta toru-atamira. Ka ririhau pea ngā taputapu, ka wareware haere rānei, ka poto ake te wā ora. Ko tētahi atu raru hoki ko te hororangi poto; ka taea e te hapa hiko te whai hua. He mea matua herekore te tukanga tika me te tiaki kia iti ake ai ēnei raru e pā ana ki ngā Papa Tūarorangi Toru.
Me mataara ngā kaihoko ohorere i ngā hōtaka e pā ana ki ngā papaaho DB Toruatia. Ko tētahi o ngā hōtaka he whakamahinga e tipu haere ana i ngā papaaho DB mātauranga me te tūhono, ka taea te āraite me te whakahaere mai i tētahi tārata. E mahi ai tēnei kia tino āhua ake te whakahaere i te hiko. Ko tētahi atu hōtaka ko ngā tauira me ngā rāwekenga momotuā—e whakamāmae ai te huringa, me te tāpiri i te mea e hiahiatia ana. Kei te hiahia hoki ngā kaihoko ki te arataki i te nekenga ki te kotahi ngā kōwhiringa tino whai rawa, tino koreparuparu hoki, pērā i ngā papaaho i hangaia mai i ngā rauemi kua reka, i rekaia rānei, i te waahanga hiko-ārai rānei.
Ina whiriwhiria te kaihanga papa tūrua toru takirua e mātara ana me ngā kōwhiringa kounga teitei, kaua rawa e rapu ake i Shangdian. Ka taea e ngā Papa Tūrua Toru o Shangdian te āki ki ngā here rautaki e uaua ana. "Te ratonga pono kei te tawhiti, angitu koe, angitu hoki ahau!" Kua tuanui tonu te kamupene taputapu hiko o Shangdian ki ngā hiahia hōu hōu o te tauhokiritanga me te kounga. I whāinga kia whanaketia ngā hua e arataki ana ngā kaihoko. Ahakoa mēnā kei te hiahia ngā kaihoko ki tētahi mea standatia, i te hiahia rānei ki tētahi hanganga ritenga, ka taea e Shangdian te whai whakaritenga hei whakatutuki.