1. Early spark arrestors were simply iron wire screens installed within the stack. 2. Some of the triple-tiered cellblocks have both bars and wire screens around them. 3. The reflector may be a metal sheet or more commonly a wire screen . 4. Modern trash racks as used by wedge-wire screens , the Coanda effect, and cleaning robots. 5. Some rioters used wire screens as their own makeshift shields. 6. Another industry is Yankee Wire, manufacturer of wire screens . 7. Instead, it has an electrostatically charged wire screen . 8. This electric machine that melted sugar and then used forced-air to push it through a wire screen . 9. In 1953, Greening, a company located in England was selected to supply wedge wire screens for Hendrick. 10. Greening introduced a series of mini-wedge wire screens and Hendrick abandoned the Aumeca screens from that point forward.