Relier Pairs MaterialesVersion en ligne Materiales de las máquinas par ANDREA CAMARA 1 2 3 4 5 6 7 8 The lamp is made of metal. The book is made of paper. The computer is made of glass. The peg is made of wood. The pulley is made of metal. The sharpener is made of plastic. The pegs are made of plastic. The sharpener is made of metal.