Silsiladaha rullaluistu waa qaybo lagama maarmaan ah oo ku jira habab farsamo oo kala duwan, oo fududeynaya gudbinta koronto hufan oo hufan. Haddi aad dib u hagaajinayso baaskiilada, mootooyinka, ama mishiinada warshadaha, ogaanshaha sida loo isticmaalo silsilada rullalulatu waxay lama huraan u tahay dayactirka iyo dayactirka. th...
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