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የእሳቱ በር ተግባር ያልተጠበቀ እሳት በሚከሰትበት ጊዜ እሳቱን እና የጭስ ስርጭትን መቋቋም ነው, ይህም ለመልቀቅ ጊዜ እንዲኖረን ያስችለናል. የእሳት በሮቻችን እሳትን መቋቋም የሚችሉ፣ ተመጣጣኝ ዋጋ ያላቸው፣ ድምጽ እና ሙቀትን የሚከላከሉ እና ዘላቂ ናቸው። እኛን ለማማከር እንኳን ደህና መጡ።

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