-
Usha garaafka
-
Usha walaaq ee graphite ee birta qashinka naxaasta ah,...
-
Usha Silikoon oo tayo sare leh, Usha Sic ee farsamaynta
-
Usha yar-yar ee saliidda graphite-ka ah ee loo yaqaan 'self-lubric'
-
Nadiifin sare heerkul sare u adkaysta garaafka...
-
Warshad tubbada garaafyada la habeeyey, hadhuudh fiican...





