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| For an average lawn, a mower works just fine, but for fire-prone slopes or polluted landfills, many cities turn to a rugged biological machine: the... |
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| Uploaded: November 30, 1999 at 12:00 am |
| Author: wired |
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| Length: 03:30 |
| Rating: 4.74 |
| Views: 8438 |
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| Tags: environment goats lawnmower magazine science technology wired wired.com |
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