Quiet Roads Ahead Reading Answers | IELTSMaterial
Hot asphalt, mixed with small stones, is spread into the mould by a railmounted machine which flattens the asphalt mix with a roller. Paragraph D; Line 4. 34: 9: Those used in the top layer are just 4 or 5 millimetres across, while the ones below are approximately twice that size – about 9 millimetres:
WhatsApp: +86 18221755073