Measuring units kilo, hecto,deca,meter etc - YouTube
Spužva Bobba on Twitter: "Znaš šta je ono, eksa, peta, tera, giga, mega, kilo, hekto, deka, deci, centi, mili, mikro, nano, piko, femto, ato, e ti si ono ato i nema dalje
The Metric System When a man's knowledge is not in order, the more of it he has the greater will be his confusion. -Herbert Spencer. - ppt download