O le faagasologa atoa o le gaosiga o le laupapa gypsum o se faiga faigata tele.O laasaga autu e mafai ona vaevaeina i vaega tetele nei: gypsum powder calcination area, faʻamago faʻaopoopoga nofoaga, susu faʻaopoopoga nofoaga, faʻafefiloi nofoaga, fai vaega, naifi eria, faʻamago o ...
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