Akụkọ Tongdy
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Eziokwu ndị na-akpali mmasị Vol.2——Gas eke
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Eziokwu na-akpali akpali Vol.1——Gas nke eke
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Amụma: Eziokwu na-akpali mmasị nke gas dị iche iche ị kwesịrị ịma
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Equinox nke mgbụsị akwụkwọ
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Usoro akwụkwọ nkà ihe ọmụma: Ihe na-emetọ ikuku——Kemịkalụ na-egbu egbu
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Usoro akwụkwọ nkà ihe ọmụma nke 4 nke 4: Ndị na-emetọ ikuku——isi
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igirigi ọcha
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Usoro ihe ọmụma nke 3 nke atọ: Ndị na-emetọ ikuku——Mercury
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Ụbọchị 2 Encyclopedia Series: Air Pollutants——Sulfur Oxides
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Usoro akwụkwọ nkà ihe ọmụma: ikuku ikuku——Hydrocarbon
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Nlebanya Ihe Owuwu Ụwa Green——Ọbá Akwụkwọ Ọhaneze Taipei Alaka Beitou
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Nlebanya ụlọ ụlọ akwụkwọ ndụ akwụkwọ ndụ——Yishun Khoo Teck Puat Hospital
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