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

The flowchart provides key information about the stages involved in the production of a lead pencil.

Overall

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, it is clear from the diagram that pencil production is a lengthy, multi-stage process, starting with small plants and ending with finished pencils that are painted, sharpened and stamped.

To begin

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with,

according to

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what is shown, the first stage involves growing the plants for four months before replanting them. After three years, the trees are thinned and allowed to continue growing. After 14 years, the trees are cut down, and the wood is processed into thin slats. In terms of

further

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processing, the wooden slats are treated for 60 days. After that, grooves are cut into the slats, and glue and black lead are added.

Next,

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a new slat is placed on top to form a sandwich. The sandwich is

then

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hard-pressed and heated before being cut into individual

pencils

Use the right word

slices

show examples

.

Finally

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, the pencils are painted, sharpened and stamped before being ready for packaging as the final product.