N'izu gara aga, ngụkọta nke ngwaahịa 31 na akụrụngwa kemịkalụ bụ isi bilitere, na-aza 28.44%;Ngwaahịa 31 kwụsiri ike, na-aza 28.44%;Ngwaahịa 47 belatara, na-aza 43.12%.Ngwaahịa atọ kachasị elu nke ịrị elu bụ MDI, MDI dị ọcha, na butadiene, yana 5.73%, 5.45%, na 5.07%;Nke ka...
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