thermo hauser

#Circles #Triangles, lines forming an angle #Quadrilaterals #Letters presenting a special form of writing #One circle #Circles containing one or more triangles or lines forming an angle (specify the content) #One triangle #Triangular figures with one or more convex or concave sides #Several quadrilaterals juxtaposed, joined or intersecting #Quadrilaterals containing one or more circles, ellipses or polygons (specify the content) #Quadrilaterals containing one or more triangles or lines forming an angle (specify the content) #Quadrilaterals containing one or more other geometrical figures (specify the content) #Quadrilaterals containing one or more letters #Quadrilaterals with dark surfaces or parts of surfaces #Letters in light-coloured characters on a dark background