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| routine repair; running maintenance | |||
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| maintenance | |||
| maintenance technical, The upkeep of industrial facilities and equipment | |||
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udrzba : 54 do fraz, 9 tematyki |
| Budownictwo | 13 |
| Ekonomia | 2 |
| Leśnictwo | 6 |
| Maszyny i mechanizmy | 1 |
| Microsoftu | 13 |
| Ochrona środowiska | 1 |
| Polityka | 5 |
| Rolnictwo | 3 |
| Transport | 10 |