bids are invited for alarm rubber mat dust mask g.i.wire netting mesh 2 inch x 2 inch,1.5mtr widthx5mtr length,made of galvanized steel wire 10swg,kintted without welding for use in underground roof support , safety slogan board 3 feet x 4 feet , intrinsically safe and bis certified audio visual alarm with dgms approved and bis certified is flame proof power source for sdl,24v ac to12v dc , insulating rubber mat,33kv,3 feet x 6 feet x 0.5 inch , dust mask,half mask respirator with clear communication with head harness as per is14746 of 1999,reusable, suitable for use of underground mining operation. g.i.wire netting mesh 2 inch x 2 inch,, safety slogan board 3 feet x 4 feet, intrinsically safe and bis certified audio gemarpts searched visual alarm with dgms approved , insulating rubber strings used in gemarpts mat,33kv,3 feet x 6 feet x 0.5 inch, dust mask,half mask respirator with clear communication with head harness 1 16 total quantity : 1050