Labels:boat | bulletin board | dialog box | earth | selenium cell | sky | tree OCR: PHOM WarII Tank About th: Tank This heavily armored combat vehicle first appeared in 1916 during the height of World War I. Covered with thick metal plates and armed with cannon and guns, this box moved ua two continuous metal belts and had a turret on top that allowed the tank ta fire its weapons in all direc tions. The first tanks moved slowly miles or 8 km per hour) but modern tarks can travel up t 60 miles per hour (96 km, h) on level ground. The Sein and were common World War II tanks Word paoure continuaus hada llowed tark Blifzkrieg UOUUOS