Sida qalab caadi ah oo lagu farsameeyo dunta gudaha, qasabadaha waxaa loo qaybin karaa qasabadaha jeexjeexa, tuubooyinka u janjeerta geesaha, qasabadaha jeexjeexa tooska ah iyo tuubooyinka dunta tuubada si waafaqsan qaabkooda.Loo qaybiyay metric, American, iyo qasabadaha boqortooyadu.Tuubooyinka ayaa sidoo kale ah aaladaha mashiinada guud ee loo isticmaalo taabashada.Haddaba sidee loo doortaa tuubada?Maanta waxaan idinla wadaagi doonaa hagaha xulashada tuubada...
Akhri wax dheeraad ah 
