Tension is growing in Bolivia as miners , teachers , health service workers and public university staff -all affiliated to the Central Workers Union ( Central Obrera Boliviana , COB , in Spanish ) - are on strike demanding an increase in their retirement pension scheme .
Bolivia markan sartasïwinakax utjaskakiwa , qhuyan irnaqirinaka ( mineros ) , yatichirinaka ( maestros ) , qullayasiñ utan irnaqirinaka , Jach ’ a yatintañ utan irnaqirinaka taqi khitinakati Central Obrera Boliviana uksan afilyatanaka ukanakaw unxtasipxi , jubilación uka irxataw mayipxi .