He nui te rerekee o te pāmahana oumu reflow HELLER, karekau hoki te mana whakahaere. Tohu: Ko te tino pāmahana o ia rohe (ina koa ko te rohe mahana tonu me te rohe rerere) ka rerekee mai i te uara kua whakaritea, ka kopikopiko te pihi. Kua pa ki a koe tetahi he rite?






