Prototron Circuits, a Redmond, Wash., maker of printed circuits, announced today it has appointed Ronald S. Snartland as production manager of its Tucson, Ariz., facility. Snartland has been in the printed circuit board (PCB) industry for a number of years and has expertise in manufacturing operations including total quality management, JIT (just-in-time production), value-stream mapping and FMEA (failure mode and effects analysis). He has held top management positions at a number of PCB industry fabricators, including Viasystems; Tri-Star and Continental Circuits.