Abstract: A diverter for diverting birds away from overhead lines includes a plastic plate substrate having an upper portion and a lower portion. The upper portion is narrower than the lower portion such that a center of gravity is lower. The substrate includes a central portion and triangular-shaped left and right edge portions. The triangular portions are narrow to wide from top to bottom. The central portion includes an opening at an upper portion thereof for attachment to a ring. The central portion includes front and rear flat surfaces each having an upper area and a lower area. One of the front flat surface upper and lower areas includes a first fluorescent retroreflective sheet. One of the rear flat surface upper and lower areas includes a second fluorescent retroreflective sheet. The first and second fluorescent retroreflective sheets having respective contrasting colors.

Abstract: A tool for use in preparation of signs of the type having a base section and sign elements engaging therewith comprises two members (7, 8) movable with respect to each other. These members comprise on one hand edge components (9, 10) for cutting the base section off, and on the other components (11) for deforming the base section so as to create obstacles for the sign elements to leave the engagement with the base section.