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ACRONYMS
Part of Our Everyday Language
| ZIP |
zone improvement plan |
| laser |
light amplification by stimulated emission of radiation.
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| scuba |
self-contained underwater breathing apparatus
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| radar |
radio detecting and ranging
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| sonar |
sound navigation ranging
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| fax |
facsimile transmission |
Typical Number of Digits We Must Remember
| Driver's License |
9 to 19 |
| Checking Account |
9 |
| Social Secruity |
9 |
| Zip Code |
5 or 9 |
| Address |
1 to 12 |
| Telephone |
7 to 11 |
| Automobile License Plate |
up to 7 |
| Combination Lock |
3 to 6 |
MOST FREQUENT CAUSES OF RESIDENTAL FIRES
From 1990 to 199-
| Heating |
28.6% |
| Cooking |
18.1% |
| Suspicious |
11.7% |
| Smoking |
12.4% |
| Electrical |
7.1% |
| Appliances |
5.9% |
| Children Playing |
4.4% |
| Unknown |
11.8% |
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