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| ruler (An on-screen scale marked off in inches or other units of measure and used to show line widths, tab settings, paragraph indents, and so on) | |||
| ruler guide | |||
| rule; ruler | |||
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| rulers | |||
| lineal: 28 phrases in 9 subjects |
| Communications | 3 |
| Earth sciences | 1 |
| General | 1 |
| Industry | 1 |
| Information technology | 8 |
| Microsoft | 4 |
| Patents | 3 |
| Scientific | 2 |
| Technology | 5 |