-s-Obrazy i plakaty Engineers install solae cell on the roof of factory#F770771765
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-s-Obrazy i plakaty Technology solar cell, Engineer service check installation solar cell on the roof of factory. technician checks the maintenance of the solar panels#F571258587
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-s-Obrazy i plakaty Two young engineer and inspector wearing safety vest and hard helmet inspecting solar panel by kneeling and filling holes and fixing damage using a drill machine while holding a clipboard#F575777488
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-s-Obrazy i plakaty Engineers walking on roof inspect and check solar cell panel by hold equipment box and radio communication ,solar cell is smart grid ecology energy sunlight alternative power factory concept #F709046489
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-s-Obrazy i plakaty African American engineer maintaining solar cell panels on factory building rooftop. Technician working outdoor on ecological solar farm construction. Renewable clean energy technology concept#F614797918
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-s-Obrazy i plakaty Technology solar cell, Engineer service check installation solar cell on the roof of factory. technician checks the maintenance of the solar panels#F571258401
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-s-Obrazy i plakaty Technology solar cell, Engineer service check installation solar cell on the roof of factory. technician checks the maintenance of the solar panels#F571251834
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-s-Obrazy i plakaty young engineer girl and an elderly skilled worker fitting a photovoltaic plant#F199585209
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-s-Obrazy i plakaty Handsome young male engineer wearing safety vest and jacket with gloves and tools along with hard hat helmet standing on solar panel while checking and looking at its maintenance#F575777601
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-s-Obrazy i plakaty Engineers or workers install and inspect solar cell on the roof of the factory.#F776105474
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-s-Obrazy i plakaty Engineer on rooftop kneeling next to solar panels photo voltaic check drawing for good installation#F557090319
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-s-Obrazy i plakaty professional technician or engineer installing solar panels, Alternative energy for installed solar panels in use on roof of home#F610583884
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-s-Obrazy i plakaty Engineer working on checking and maintenance solar panel on rooftop.#F577070944
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-s-Obrazy i plakaty Technicians are installing and inspecting standards of solar panels on roof of an industrial factory. Electrical energy obtained from nature sunlight clean renewable energy.#F704768706
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-s-Obrazy i plakaty Technology solar cell, Engineer service check installation solar cell on the roof of factory. technician checks the maintenance of the solar panels#F571258285
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-s-Obrazy i plakaty engineer men inspects construction of solar cell panel or photovoltaic cell by electronic device. Industrial Renewable energy of green power. factory worker working on tower roof.#F694976829
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-s-Obrazy i plakaty Car mechanic inspects car using technology and computer show resault at virtual screen.#F808759135
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-s-Obrazy i plakaty Mechanic maintanance and service car engines #F808759099
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-s-Obrazy i plakaty Car mechanic inspects car using technology and computer show resault at virtual screen.#F808759095
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-s-Obrazy i plakaty Car mechanic inspects car using technology and computer show resault at virtual screen.#F808759093
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-s-Obrazy i plakaty Car mechanic inspects car using technology and computer show resault at virtual screen.#F808759090
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-s-Obrazy i plakaty Mechanic maintanance and service car engines #F808759057
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-s-Obrazy i plakaty Mechanic maintanance and service car engines #F808758984
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-s-Obrazy i plakaty Mechanic maintanance and service car engines #F808758965
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-s-Obrazy i plakaty Mechanic maintanance and service car engines #F808758954
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-s-Obrazy i plakaty Mechanic maintanance and service car engines #F808758947
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-s-Obrazy i plakaty Mechanic maintanance and service car engines #F808758911
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-s-Obrazy i plakaty Mechanic maintanance and service car engines #F802708841
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-s-Obrazy i plakaty Mechanic maintanance and service car engines #F802708711
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-s-Obrazy i plakaty Mechanic maintanance and service car engines #F802708674
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-s-Obrazy i plakaty Car mechanic inspects car using technology and computer show resault at virtual screen.#F802709099
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-s-Obrazy i plakaty Car mechanic inspects car using technology and computer show resault at virtual screen.#F802709010
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