-s-Obrazy i plakaty An environmental expert is collecting water samples from a treatment pond to be taken back to the lab for testing of its cleanliness.#F1546181159
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-s-Obrazy i plakaty An environmental expert is collecting water samples from a treatment pond to be taken back to the lab for testing of its cleanliness.#F1546181176
dodaj do ulubionych
-s-Obrazy i plakaty An environmental expert is collecting water samples from a treatment pond to be taken back to the lab for testing of its cleanliness.#F1546181165
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-s-Obrazy i plakaty Water resources officers are checking for contaminants in a swamp#F1544594930
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-s-Obrazy i plakaty An environmental expert is collecting water samples from a treatment pond to be taken back to the lab for testing of its cleanliness.#F1546181129
dodaj do ulubionych
-s-Obrazy i plakaty An environmental expert is collecting water samples from a treatment pond to be taken back to the lab for testing of its cleanliness.#F1546181178
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-s-Obrazy i plakaty An environmentalist is collecting samples of wastewater and testing them for contaminants#F1539585119
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-s-Obrazy i plakaty An environmental expert is examining the aquatic life in a treatment pond.#F1546181193
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-s-Obrazy i plakaty Environmental engineers inspect water quality,Bring water to the lab for testing,Check the mineral content in water and soil,Check for contaminants in water sources.#F673313327
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-s-Obrazy i plakaty An environmentalist is collecting samples of wastewater and testing them for contaminants#F1539585614
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-s-Obrazy i plakaty Environmental engineers inspect water quality,Bring water to the lab for testing,Check the mineral content in water and soil,Check for contaminants in water sources.#F903061595
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-s-Obrazy i plakaty Environmental engineers inspect water quality,Bring water to the lab for testing,Check the mineral content in water and soil,Check for contaminants in water sources.#F1628542540
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-s-Obrazy i plakaty Environmental engineer Sit down next to a well and take note the result of water sample to analysing check the quality and contaminants in the water source.#F825417288
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-s-Obrazy i plakaty Environmental engineers inspect water quality,Bring water to the lab for testing,Check the mineral content in water and soil,Check for contaminants in water sources.#F1021446236
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-s-Obrazy i plakaty Environmental scientist observing river water quality.#F1134262251
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-s-Obrazy i plakaty An environmentalist is examining wastewater from an industrial plant's sewage pipes#F1537704904
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-s-Obrazy i plakaty An inspector and a water treatment plant engineer are working together to plan a change in the treatment plant's water filter to bring the water up to state standards.#F1481347876
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-s-Obrazy i plakaty A professional engineer is inspecting the installation of a high pressure water pipe system for a large industrial plant to ensure it meets standards and is safe.#F1590785125
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-s-Obrazy i plakaty Port specialist engineers are discussing the expansion of the receiving and exporting port.#F1646543407
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-s-Obrazy i plakaty A professional inspector and a water treatment plant engineer are working together to check whether the water filtration system of the water treatment plant is up to standard.#F1481347626
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-s-Obrazy i plakaty An inspector and an engineer at a water treatment plant are working together to plan the installation of additional water filters to make the water cleaner and safe for household use.#F1481347994
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-s-Obrazy i plakaty A professional engineer is seriously considering upgrading the high pressure water pipe system in a large industrial plant to meet its needs.#F1590785218
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-s-Obrazy i plakaty Wastewater treatment plant engineers are working together to inspect the wastewater treatment system for defects in order to improve the system.#F1559497121
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-s-Obrazy i plakaty Expert architect and dam engineer are working together to plan for expanding the size of the sluice gates to expand the backup hydroelectric power generation.#F1603595273
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-s-Obrazy i plakaty A dam engineer is planning to expand the water gates of a large dam to meet the demand for water.#F1603595330
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-s-Obrazy i plakaty A skilled architect is examining the structure of a pier.#F1646543692
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-s-Obrazy i plakaty An engineering expert is planning to expand a shipping port.#F1646543690
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-s-Obrazy i plakaty An engineering expert is planning to expand a shipping port.#F1646543681
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-s-Obrazy i plakaty An engineering expert is planning to expand a shipping port.#F1646543675
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-s-Obrazy i plakaty An engineering expert is planning to expand a shipping port.#F1646543674
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-s-Obrazy i plakaty An engineering expert is planning to expand a shipping port.#F1646543663
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-s-Obrazy i plakaty An engineering expert is planning to expand a shipping port.#F1646543662
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