The diagram ____ how parts of a pencil are ____ together to produce the finished product. The pencil leads and the surrounding cases are made ____ and then assembled ____. Ground graphite, clay and water are made into dough ____ is then placed into a forming press to produce a graphite rod. The pieces of lead are ____ to dry and heated in an oven at a high temperature. They are ____ ____ to the production process of the case. Wood is first prepared by cutting it ____ strips. Shapes are cut into the wooden slat ____ enable the lead pieces to ____ placed in the grooves. They are fastened to the slat with the help of glue. Next a cover is ____ on top of this layer to enclose it. A shaping machine then creates a smooth finish and the pencil is ready for use. To sum up, two ____ procedures are required to make a pencil. ____ the lead ____ been prepared it is inserted into a wooden case and covered to create a pencil.

Pencil making

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