supply of retro-reflective type boardretro-reflective type board,retro-reflective type electric engine stop board size: 900mmx600mmx2mm as per rdso spec. no. eti/ohe/33a ( 12/97) rev-8 & similar to rdso drg no. eti/ohe/p/7572 or latest. [ warranty period: 30 months after the date of delivery ] ] , retro-reflective type 25 kv danger board for height gauge at level crossing gate, size 1400x 300mmx2mm as per r dso spec. no. eti/ohe/33a (12/97) rev-8 or latest & similar to rdso drg. no. eti/c/0069 mod-d (latest). [ warranty period: 3 0 months after the date of delivery ] ] , retro-reflective type power block working limit board size:450x450x2 mm as per rdso spec. no. eti/ohe/33a (12/ 97) rev-8 or latest. & similar to rdso drg no. eti/ohe/p/7574. [ warranty period: 30 months after the date of delivery ] ] , retro-reflective type public caution board (3 language- hindi, english, gujarati) size: 700mmx400x2mm as per rds o spec. no. eti/ohe/33a (12/97) rev-8 or latest and similar as per rdso drg no.re/33/p/7551. [ warranty period: 30 months af ter the date of delivery ] ] , retro-reflective type staff caution board (3 language- hindi, english, gujarati) size: 700mmx400x2mm as per rdso spec. no. eti/ohe/33a (12/97) rev-8 or latest and similar to rdso drg no.re/33/p/7561. [ warranty period: 30 months after the date of delivery ] ]