Te Ra Tuku:20,Mei,2024 7. I te wa e whakamatautauhia ana te whakauru waikawa polycarboxylic (i roto i te hanga), ka tae noa ki te waahanga taketake, ka makona nga mahi tuatahi o te raima, engari ka nui ake te mate o te raima. ; no reira, i te wa o te ranu-whakamatautau (whakaputa), te nui ...
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