You should spend about 20 minutes on this task. The diagram shows the different stages in the production of lead. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

The diagram displays how the lead are manufactured. Overall, it is a linear process consisting of four main stages: mining, crushing, filtering and casting. The fist step is to mining the rock whish consists of lead and other useful metals and then transported to the factory. Following this, the rock are broken down by crushing […]