screwdriver is made up of, iron, steel, carbon steel, aluminium, screwdriver is used to, hit a nail, hit a screw, fix and remove a nail, fix and remove a screw, hammer is used for, hitting, cutting, smoothing, chopping, hammer is made up of, alloy steel, carbon steel, iron, copper, mallet is used for, fixing, breaking, chipping, cutting, chisel is made up of, iron, high carbon steel, steel, aluminium, chisel is used to, removing, smoothing, chipping, fitting, bench chisel is used for, paring and chopping, cutting in end, smoothing, cutting deeper, file is made up of, iron, steel, high carbon steel, cast iron, file is used for, cutting, hitting, smoothing, fixing

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