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rivoli_carta, legno wood madera contiene contains contiene lignina lignin lignina, carta paper papel è inventata da invented by inventado da cinesi Chinese 105 d.C., carta paper papel si fa con is made from hecho con legno wood madera, lignina lignin lignina dà gives da durezza hardness dureza, carta paper papel viene da comes from la parola "papyrus" the word "papyrus", carta paper papel permette assorbimento, alberi trees possono essere may be abeti rossi e bianchi red and white firs abetos rojos y blancos, alberi trees possono essere may be betulle birches abedules, legno wood madera tagliato da cut from alberi trees, legno wood madera contiene contains contiene cellulosa cellulose celulosa