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Usha walaaq ee graphite ee birta qashinka naxaasta ah,...
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Usha yar ee saliidda graphite ee loo yaqaan 'self-lubric'
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Kaarboonka kaarboonka ee iskiis u saliidayn kara qiimaha warshadda
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Ulaha saliidda si fiican loo naqshadeeyay
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Warshad tayo fiican leh waxay si toos ah u saliidayn kartaa graphit...
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Qiimaha warshadda tubbada garaafka, mashiinnada qaabaysan...
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tuubada garaafka kaarboonka ee xoogga badan, cufnaanta sare...
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Tuubada garaafka dahaarka dusha sare, garaaf cabbir yar...
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Tuubbada garaafiga ah ee qiimaha jaban, dia weyn ee porosity hooseeya...