... remove : hít đất UNIT 16 : READ /P .14 7, 1 48, 14 9 New words : 2.invention(n ): phát minh UNIT 16 : READ /P .14 7, 1 48, 14 9 New words : state (n) : giai đoạn UNIT 16 : READ /P .14 7, 1 48, 14 9 New words ... 14 9 New words : development (n) : phát triển UNIT 16 : READ /P .14 7, 1 48, 14 9 New words : papermaking (n) : cách làm giấy UNIT 16 : READ /P .14 7, 1 48, 14 9 New words : ingredient (n) : thành phần ... century D In 7 68, Arab learned about papermaking from Chinese prisoners E The first papermaking machine was invented in the late 17 00s by a Frenchman PICTURES UNIT 16 : READ /P .14 7, 1 48, 14 9 New words...