Ngā hua rapu - "Efflorescence."
Ngā kaupapa kua whakahuatia i roto i tō rapu.
Ngā kaupapa kua whakahuatia i roto i tō rapu.
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Efflorescence and the discoloration of concrete
I whakaputaina 1983Ngā marau: “…Efflorescence.…”
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