What are the 3 types of pencil?

*pencils: *pencils of different colours *pencils with an eye towards practicality *pencils with a very large capacity (usually for writing); for example, a pencil with a diameter of 7 cm…

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Why are pencils yellow?

The primary reason is the lead content of the pencil. Lead is a chemical element in which four elements have identical chemical symbols, called the four atomic numbers. Carbon, the…

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