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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