You can repeat the latest construction simply by pressing the key'Z '; this comes in very handy if you need to construct a sequence of objects with the same construction, especially if there is no shortcut for that construction.
Azken eraikuntza errepika dezakezu 'Z' tekla sakatuz. Oso erabilkorra da eraikin berdinean objektuen sekuentzi bat eraiki behar baduzu, batizpat ez badago lasterbiderik eraikin horrentzako.