supply of set of covers tm hs -15250 a comprisiog of 3 items=08 nos.(1)inspectioncover ios- 813-666 rev-b item no. 1 to 4 qty-01 no. (2)inspection cover (modified)rdsodrg.no.skel-4737 (rev.u)qty.-06 nos (3)terminal box cover ios- 813-539 rev-b item no. 1 to2 qty-01 no.