supply of retro reflective sign boards.retro reflective sign boards.,retro reflective whistle (only w symbol) boards for curves as per standards drawing att ached with 2mm aluminium sheet with back frame of ms angle 25x25x3mm. make: 3m or avery or saf ari or equivalent and each board should contain ms angle size of 65*65*6 mm of 2.5 mtr. [ warranty period: 30 months after the date of delivery ] ] , manufacturing, fabrication and supplying retro reflective lc warning boards. sign face t o be fully covered with high intensity retro-reflective sheeting typically manufactured as an encapsulat ed glass bead retro-reflective material and as an unmetallized micro prismatic retro- reflective elemen t material referred to as type iv sheeting respectively in astm d4956-09, pasted on substrate by suita ble adhesive material & with screws/rivets to back support frame of ms angle 25x25x3mm, using glass mat & resins. including post of size 65 x 65 x 6mm as per attached drawing and rdso specifications may 2011.[ [ warranty period: 30 months after the date of delivery ] ] , manufacturing, fabrication and supplying retro reflective sign boards of caution indicator boards 1400 x 400mm made up of 2mm thick aluminum sheet including clamps, hinges & back supp ort frame as per the attached drawing. sign face to be fully covered with high intensity retro-reflectiv e sheeting typically manufactured as an encapsulated glass bead retro-reflective material and as an u nmetallized micro prismatic retro- reflective element material referred to as type iv sheeting respectiv ely in astm d4956-09, pasted on substrate by suitable adhesive material & with screws/rivets to back support sheet, using glass mat & resins. as per attached drawing and rdso specifications may 2011. ms angle of size 65x65x6mm of 2.5mtr. [ warranty period: 30 months after the date of delivery ] ]