original: handles may be wood or plastic ; ferrules are metal -lrb- usually nickel-plated steel -rrb- .
simplifications: handles can be made from wood or plastic whereas ferrules are made of metal -lrb- usually nickel-plated steel -rrb- . handles may be wood or plastic ; ferrules are metal -lrb- usually nickel-plated steel -rrb- . ferrules are nickel plated steel and handles may be wood or plastic . handles may be wood or plastic . handles may be wood or plastic ; ferrules are usually nickel-plated steel . 1 . handles may be wood or plastic ; ferrules are metal -lrb- usually nickel-plated steel -rrb- . handles may be wood or plastic ; ferrules are metal -lrb- most often nickel-plated steel -rrb- . handles can be made of wood or plastic . ferrules are normally made of nickel-plated steel .