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птицезащита (на воздушных линиях электропередач: Suggested Practices for Avian Protection On Power Lines  nrc.gov 'More) | |||
| avian protection: 3 phrases in 1 subject |
| Power lines | 3 |
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| птицезащита (на воздушных линиях электропередач: Suggested Practices for Avian Protection On Power Lines nrc.gov 'More) | |||
| avian protection: 3 phrases in 1 subject |
| Power lines | 3 |