BLAUER STROM BLAUE WÄRME

#Dots #More than two lines or two bands #Quadrilaterals containing one or more circles, ellipses or polygons (specify the content) #One quadrilateral #Other irregular parallelograms, trapezia and quadrilaterals, quadrilaterals containing one or more rounded corners #Quadrilaterals containing one or more triangles or lines forming an angle (specify the content) #Circles containing one or more triangles or lines forming an angle (specify the content) #Two circles one inside the other #Letters in light-coloured characters on a dark background #Series of letters in different dimensions #Series of letters presenting different forms of writing #Letters presenting a special form of writing #White, grey, silver #Blue #Tubes, pipes, sluices