( i ) supply of bakelite tubes ( synthetic resin bonded paper tube in roundshape ) electrical grade, best quality, id-6.5 mm, od 9.5 mm, length 750mm and as per specifications, approved gtp. ( ii ) supply of glass sleeves in the size 4.00 mm x 1.00 mtrlong & 16.00 mm x 1.00 mtr long suitable for use in repairing of distribution transformer & as per relevant is: 11654-3-403 ( 1989 ) with latest amendment ( iii ) supply adhesive gum of standard quality for use in repairing of damage t / f and should be suitable for satisfactory performance upto 100ºc max ) and as per is 2257-1989 ( type-c ) and as perapproved gtp. ( iv ) supply of egyptian cotton tape as per is 1923:2003 with its latest amendment & approved g.t.p.meant for electrical insulation use in repairing of 25 kva to 100 kva distribution transformer in the size of 25 mm width, in shape of 35-40 mtr. long each roll and as per approved gtp.