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Formaldehyde-kyauta wakili QTF-1
An yi amfani da wakili na kyauta-kyauta a cikin rubutu, bugu da abin da ake bushewa, takarda yin masana'antu, da sauransu.
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Sirrin Gyaran Sirrin-kyauta QTF-2
An yi amfani da gyaran tsari na kyauta a cikin rubutu, bugu da aka yi yawa, bugu da abin halittu, da sauransu.
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Formaldehyde-kyauta wakili QTF-6
An yi amfani da gyaran sikelin-6 6 6 ana amfani dashi a cikin rubutu, bugu da abin da ake girka, takaddun yin masana'antu, da sauransu.
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Formaldehyde-kyauta wakili QTF-10
An yi amfani da gyaran sikelin-10 na kyauta a rubutu, bugu da dye, takarda yin masana'antu, da sauransu.