Quality Assessment of the Physico-Mechanical and Elemental Composition of Three Pencil Grades and Eraser Types Produced in Nigeria
The quality assessment of the physical (pH, electrical conductivity, density, writeability, eraseability), mechanical (compression test and break strength) and elemental composition of the pencil grades HB, 2B and 3B and eraser types of brand names Ben 10, Tiky 20 and the commonest White eraser in...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Faculty of Engineering and Technology
2014-06-01
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| Series: | Nigerian Journal of Technological Development |
| Subjects: | |
| Online Access: | https://journal.njtd.com.ng/index.php/njtd/article/view/51 |