Caution | Robot Mowers in this area (with Fixings)Caution Robot Mowers in This Area (with Fixings) Professional outdoor warning sign supplied complete with rails and pole fixings. Designed for residential developments, landscaped areas, commercial premises, schools, sports grounds and private properties where robotic lawn mowers are in operation. This sign helps clearly warn pedestrians, visitors, contractors and the public that automatic mowing equipment may be active within the area. Manufactured