2x55 Watts SOLAR BOAT Photo Voltaic HOME MADE

The Opava (Czech: Opava, Polish: Opawa, German: Oppa) is a river in the northeastern Czech Republic, a left tributary of the Oder river. It is over 119 km long, with some 25 km forming the border with Poland. MoravianSilesian Region (Czech: Moravskoslezský kraj), or MoravoSilesian Region, is an administrative unit (kraj) of the Czech Republic, located in the northeastern part of its historical region of Moravia and in most of the Czech part