Old Roast Duck IELTS - Focus on IELTS preparation

The history of glass Today, we will read the article on vocabulary to study the Cambridge IELTS 12 test 9 passage 1. The theme of this IELTS reading is the history of glass. The content of the article includes: introducing the long history of the use of glass, several time nodes and times in the history of glass manufacturing, the invention of lead crystal glass, and modern glassmakers