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Xeerka gaadhista waxa uu ku darayaa walaxda xaddidan ee D4 ee lagu dhaqo waxyaalaha la isku qurxiyo, D5, oo dhaqan galaya Janaayo 31, 2018
- D4 (Octamethylcyclotetrasiloxane) D4 - D5 (Decamethylcyclopentasiloxane) D5 - D6 (Dodecamethylcyclohexasiloxane) D6 Xaddidaadda D4 iyo D5 ee Daryeelka Shakhsi ahaaneed ： Octamethylcyclotetrasiloxane (D4) iyo decamethylcyclopentasiloxane ayaa lagu daray REXSii akhri
