supply of retro-reflective type warning board for neutral sectionretro-reflective type warning board for neutral section,retro-reflective type warning board for neutral section 500 m of size 450x750x2 mm (pasted with non-ref lective sheet in blue color and letters/symbols of retro reflective type-iv high intensity prismatic sheeting in white color) similar to rdso drg. no.re/33/347 mod-b or latest and conforming to rdso specification no. eti/ohe/33a (12/97) rev- 8 or latest. [ warranty period: 30 months after the date of delivery ] ] , retro reflective type memu dj close board as follows, switch on power plate with word me mu made up of 2mm aluminium sheet of size 800 x 400 mm. pasted with reflective sheet in blue colour an d letters/symbols of retro reflective type-iv high intensity prismatic sheeting in white colour similar to rdso drg.no re/33/349 mod b or latest and conforming to rdso specification no. eti/ohe/33a (12/97) rev-8 or lates t. [ warranty period: 30 months after the date of delivery ] ] , retro-reflective type warning board for neutral section 250 m of size 450x750x2 mm(pasted with non-refl ective sheet in blue color and letters/symbols of retro reflective type-iv high intensity prismatic sheeting in white color) similar to rdso drg. no.re/33/355 mod-b or latest and conforming to rdso specification no. eti/ohe/33a (12/97) rev- 8 or latest. [ warranty period: 30 months after the date of delivery ] ] , etro reflective type dj open board as follows, switch off power plate made up of 2 mm alu minium sheet of size 800 x 400 mm pasted with non-reflective sheeting of blue colour. letters/symbols of retro reflective type-iv high intensity prismatic sheeting in white colour similar to rdso drg. no. re/3 3/348 mod b or latest and conforming to rdso specification no. eti/ohe/33a (12/97) rev-8 or latest. [ warranty peri od: 30 months after the date of delivery ] ]