You should spend about 20 minutes on this task.
The following diagram shows how pencils are manufactured.
Write a report for a university lecturer describing the information shown below.
You should write at least 150 words.
The process of manufacturing pencils is demonstrated in this diagram.
Overall, two capital parts forming a pencil namely pencil leads, and wooden covers are manufactured in two different processes and then assembled.
The combination of ground graphite, clay, and water called graphite dough is shifted to forming press to create graphite rod, which continues to be cut in pencil leads. Having dried, pencil leads are then fired in an oven under 800 Celsius degrees. With regards to pencil cases, the raw wood is processed into wooden slats with alternate grooves on surfaces by circular saw.
In terms of assembly, decent leads are glued onto slots in a wooden slat followed by the placement of another empty wooden slat on top to mantle a sandwich of slats. In the last stage, shaping machine is operated to cut those sticked pencils into separately completed ones.
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| 2021-08-13 | viethung123 | 70 | view |
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