120 reset means to unplug a computer in order to reset or unjam it. The 120 comes from the fact that 120 volts is the wall socket voltage in the US. 120 reset is pronounced /wuhn-twen'tee ree'set/.
... agricultural, mining, manufacturing, and service sectors, as well as a large labour pool, Brazil's economy outweighs that of all other South American countries ...