supply of plastic coverplastic cover, plastic cover for 2 aspect signal unit opening from front side bottom side. x mark to be painted wi th white colour covering the entire back side. [ warranty period: 30 months after the date of delivery ] , plastic cover for shunt signal unit opening form front side bottom side. x mark to be painted with white colour covering the entire back side [ warranty period : 30 months after the date of delivery ] , plastic cover for route signal unit opening form front side bottom side. x mark to be painted with white colour covering the entire back side [ warranty period : 30 months after the date of delivery ] , plastic cover for calling on or a and ag marker signal unit opening for m front side bottom side. x mark to be painted with white colour covering the enti re back side. [ warranty period: 30 months after the date of delivery ] , plastic cover for small multi lamp unit opening form front side bottom s ide. x mark to be painted with white colour covering the entire back side. [ warranty period: 30 months after the date of delivery ] , plastic cover for 4 aspect signal unit opening form front side bottom si de. x mark to be painted with white colour covering the entire back side. note: app roval of advance sample from the consignee before bulk supply. [ warranty period: 30 months after the date of delivery ] , plastic cover for 3 aspect signal unit opening from front side bottom si de. x mark to be painted with white colour covering the entire back side [ warranty p eriod: 30 months after the date of delivery ] => limited