The diagram below shows the production of a lead pencil. Summarise the information by selecting and reporting main features and make comparisons where relevant

The given diagram depicts how a pencil’s components are made from different materials, and connect together to create the final product. In general, this procedure includes eight stages, commencing with graphite dough is made from several raw materials, and culminating when completed pencils are ready for use. This process begins with a mixture of ground […]