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An environmental expert is collecting water samples from a stream to test its pH and monitor its ecosystem in a science lab.

ID:1772169873 An environmental expert is collecting water samples from a stream to test its pH and monitor its ecosystem in a science lab.

An environmental expert is collecting water samples to be tested for contaminants in a lab.

ID:1726268040 An environmental expert is collecting water samples to be tested for contaminants in a lab.

A professional inspector is checking the water filtration system of a wastewater treatment plant to see if it can operate according to the specified standards.

ID:1481592817 A professional inspector is checking the water filtration system of a wastewater treatment plant to see if it can operate according to the specified standards.

一名工程师和一名技术人员正在共同检查一个水处理池的水处理系统的运行情况。

ID:1481583787 一名工程师和一名技术人员正在共同检查一个水处理池的水处理系统的运行情况。

一位管道检查员正在努力工作，检查一家工厂里的高压水泵的运行情况。

ID:1236877408 一位管道检查员正在努力工作，检查一家工厂里的高压水泵的运行情况。

An environmental expert is seriously examining the contaminants in the water of a stream.

ID:1789212584 An environmental expert is seriously examining the contaminants in the water of a stream.

An environmental expert is seriously examining the contaminants in the water of a stream.

ID:1789212428 An environmental expert is seriously examining the contaminants in the water of a stream.

An environmental expert is seriously examining the contaminants in the water of a stream.

ID:1789212382 An environmental expert is seriously examining the contaminants in the water of a stream.

An environmental expert is seriously examining the contaminants in the water of a stream.

ID:1789212329 An environmental expert is seriously examining the contaminants in the water of a stream.

A slow-motion video shows an environmental expert scooping up water from a stream with both hands to observe aquatic life.

ID:1772176824 A slow-motion video shows an environmental expert scooping up water from a stream with both hands to observe aquatic life.

An environmental expert is collecting water samples from a stream to test for microorganisms in the stream to examine the ecosystem.

ID:1772175994 An environmental expert is collecting water samples from a stream to test for microorganisms in the stream to examine the ecosystem.

An environmental expert is collecting water samples from a stream to test for microorganisms in the stream to examine the ecosystem.

ID:1772172145 An environmental expert is collecting water samples from a stream to test for microorganisms in the stream to examine the ecosystem.

A slow-motion video shows an environmental expert scooping up water from a stream with both hands to observe aquatic life.

ID:1772172006 A slow-motion video shows an environmental expert scooping up water from a stream with both hands to observe aquatic life.

A slow-motion video shows an environmental expert scooping up water from a stream with both hands to observe aquatic life.

ID:1772171989 A slow-motion video shows an environmental expert scooping up water from a stream with both hands to observe aquatic life.

Close-up slow-motion video of a flowing clear stream.

ID:1772171804 Close-up slow-motion video of a flowing clear stream.

Close-up slow-motion video of a flowing clear stream.

ID:1772171616 Close-up slow-motion video of a flowing clear stream.

Close-up slow-motion video of an environmental expert using both hands to scoop up stream water and examine it in earnest for microscopic organisms.

ID:1772171575 Close-up slow-motion video of an environmental expert using both hands to scoop up stream water and examine it in earnest for microscopic organisms.

Close-up slow-motion video of an environmental expert using both hands to scoop up stream water and examine it in earnest for microscopic organisms.

ID:1772171477 Close-up slow-motion video of an environmental expert using both hands to scoop up stream water and examine it in earnest for microscopic organisms.

A slow-motion video shows an environmental expert scooping up water from a stream with both hands to observe aquatic life.

ID:1772171367 A slow-motion video shows an environmental expert scooping up water from a stream with both hands to observe aquatic life.

Close-up slow-motion video of an environmental expert using both hands to scoop up stream water and examine it in earnest for microscopic organisms.

ID:1772171342 Close-up slow-motion video of an environmental expert using both hands to scoop up stream water and examine it in earnest for microscopic organisms.

Close-up slow-motion video of an environmental expert using both hands to scoop up stream water and examine it in earnest for microscopic organisms.

ID:1772171281 Close-up slow-motion video of an environmental expert using both hands to scoop up stream water and examine it in earnest for microscopic organisms.

An environmental expert is clearing trash from a stream to keep it clean and allow water to flow freely.

ID:1772171214 An environmental expert is clearing trash from a stream to keep it clean and allow water to flow freely.

An environmental expert is clearing trash from a stream to keep it clean and allow water to flow freely.

ID:1772171159 An environmental expert is clearing trash from a stream to keep it clean and allow water to flow freely.

An environmental expert is clearing trash from a stream to keep it clean and allow water to flow freely.

ID:1772171013 An environmental expert is clearing trash from a stream to keep it clean and allow water to flow freely.

An environmental expert is clearing trash from a stream to keep it clean and allow water to flow freely.

ID:1772170954 An environmental expert is clearing trash from a stream to keep it clean and allow water to flow freely.

An environmental expert is clearing trash from a stream to keep it clean and allow water to flow freely.

ID:1772170862 An environmental expert is clearing trash from a stream to keep it clean and allow water to flow freely.

An environmental expert is clearing trash from a stream to keep it clean and allow water to flow freely.

ID:1772170839 An environmental expert is clearing trash from a stream to keep it clean and allow water to flow freely.

A professional engineer is checking whether there are foreign objects in the filtered water and if the filter is still working according to the standard.

ID:1772170648 A professional engineer is checking whether there are foreign objects in the filtered water and if the filter is still working according to the standard.

A professional engineer is checking whether there are foreign objects in the filtered water and if the filter is still working according to the standard.

ID:1772170616 A professional engineer is checking whether there are foreign objects in the filtered water and if the filter is still working according to the standard.

A professional engineer is checking whether there are foreign objects in the filtered water and if the filter is still working according to the standard.

ID:1772170580 A professional engineer is checking whether there are foreign objects in the filtered water and if the filter is still working according to the standard.

A professional engineer is checking whether there are foreign objects in the filtered water and if the filter is still working according to the standard.

ID:1772170578 A professional engineer is checking whether there are foreign objects in the filtered water and if the filter is still working according to the standard.

A professional engineer is inspecting water passing through a large water filter to detect any abnormalities in the filter.

ID:1772170480 A professional engineer is inspecting water passing through a large water filter to detect any abnormalities in the filter.

A professional engineer is inspecting water passing through a large water filter to detect any abnormalities in the filter.

ID:1772170456 A professional engineer is inspecting water passing through a large water filter to detect any abnormalities in the filter.

A professional engineer is inspecting water passing through a large water filter to detect any abnormalities in the filter.

ID:1772170412 A professional engineer is inspecting water passing through a large water filter to detect any abnormalities in the filter.

一家水处理厂的一名检查员和一名工程师正在共同规划安装更多的水过滤器，以使水更清洁，适合家庭使用。

ID:1481591611 一家水处理厂的一名检查员和一名工程师正在共同规划安装更多的水过滤器，以使水更清洁，适合家庭使用。

一位专业工程师正在检查通过大型水过滤器的水，以检测过滤器中是否存在任何异常情况。

ID:1772170381 一位专业工程师正在检查通过大型水过滤器的水，以检测过滤器中是否存在任何异常情况。

An environmental expert is seriously investigating the malfunction of a large community water filter.

ID:1772170325 An environmental expert is seriously investigating the malfunction of a large community water filter.

An environmental expert is seriously investigating the malfunction of a large community water filter.

ID:1772170296 An environmental expert is seriously investigating the malfunction of a large community water filter.

An environmental expert is seriously investigating the malfunction of a large community water filter.

ID:1772170235 An environmental expert is seriously investigating the malfunction of a large community water filter.

An environmental expert is seriously investigating the malfunction of a large community water filter.

ID:1772170183 An environmental expert is seriously investigating the malfunction of a large community water filter.

An environmental expert is collecting water samples from a stream to test its pH and monitor its ecosystem in a science lab.

ID:1772170031 An environmental expert is collecting water samples from a stream to test its pH and monitor its ecosystem in a science lab.

An environmental expert is collecting water samples from a stream to test its pH and monitor its ecosystem in a science lab.

ID:1772169994 An environmental expert is collecting water samples from a stream to test its pH and monitor its ecosystem in a science lab.

An environmental expert is collecting water samples from a stream to test for microorganisms in the stream to examine the ecosystem.

ID:1772169736 An environmental expert is collecting water samples from a stream to test for microorganisms in the stream to examine the ecosystem.

A slow-motion video shows an environmental expert using a sling to draw water from a flowing stream to collect samples for research.

ID:1772169688 A slow-motion video shows an environmental expert using a sling to draw water from a flowing stream to collect samples for research.

An environmental expert is collecting water samples from a stream to test for microorganisms in the stream to examine the ecosystem.

ID:1772169556 An environmental expert is collecting water samples from a stream to test for microorganisms in the stream to examine the ecosystem.

An environmental expert is collecting water samples from a stream to test for microorganisms in the stream to examine the ecosystem.

ID:1772169436 An environmental expert is collecting water samples from a stream to test for microorganisms in the stream to examine the ecosystem.

An environmental expert is collecting water samples from a stream to test its pH and monitor its ecosystem in a science lab.

ID:1772169354 An environmental expert is collecting water samples from a stream to test its pH and monitor its ecosystem in a science lab.

An environmental expert is collecting water samples from a stream to test its pH and monitor its ecosystem in a science lab.

ID:1772169250 An environmental expert is collecting water samples from a stream to test its pH and monitor its ecosystem in a science lab.

An environmental expert is collecting water samples from a stream to test its pH and monitor its ecosystem in a science lab.

ID:1772169223 An environmental expert is collecting water samples from a stream to test its pH and monitor its ecosystem in a science lab.

A specialist engineer is planning to expand the warehouse of a large factory to accommodate the materials that need to be stored there.

ID:1756884625 A specialist engineer is planning to expand the warehouse of a large factory to accommodate the materials that need to be stored there.

A specialist engineer is planning to expand the warehouse of a large factory to accommodate the materials that need to be stored there.

ID:1756884601 A specialist engineer is planning to expand the warehouse of a large factory to accommodate the materials that need to be stored there.

Expert engineer is seriously designing the structure of a large warehouse for a factory.

ID:1756883929 Expert engineer is seriously designing the structure of a large warehouse for a factory.

Expert engineer is seriously designing the structure of a large warehouse for a factory.

ID:1756883919 Expert engineer is seriously designing the structure of a large warehouse for a factory.

专家工程师正在认真为一家工厂设计大型仓库的结构。

ID:1756882994 专家工程师正在认真为一家工厂设计大型仓库的结构。

专家工程师正在认真为一家工厂设计大型仓库的结构。

ID:1756882964 专家工程师正在认真为一家工厂设计大型仓库的结构。

The water pipe from the treatment pond is releasing water into the wastewater tank.

ID:1546222990 The water pipe from the treatment pond is releasing water into the wastewater tank.

Expert architect is devising the structure of an office building for a large factory.

ID:1756885625 Expert architect is devising the structure of an office building for a large factory.

Expert architect is devising the structure of an office building for a large factory.

ID:1756885613 Expert architect is devising the structure of an office building for a large factory.

Expert architect is devising the structure of an office building for a large factory.

ID:1756885510 Expert architect is devising the structure of an office building for a large factory.

Expert architect is devising the structure of an office building for a large factory.

ID:1756885470 Expert architect is devising the structure of an office building for a large factory.

Expert inspector is planning a structural inspection of a large chip manufacturing office building.

ID:1756885374 Expert inspector is planning a structural inspection of a large chip manufacturing office building.

Expert inspector is planning a structural inspection of a large chip manufacturing office building.

ID:1756885373 Expert inspector is planning a structural inspection of a large chip manufacturing office building.

Expert inspector is planning a structural inspection of a large chip manufacturing office building.

ID:1756885298 Expert inspector is planning a structural inspection of a large chip manufacturing office building.

Expert inspector is planning a structural inspection of a large chip manufacturing office building.

ID:1756885274 Expert inspector is planning a structural inspection of a large chip manufacturing office building.

A specialist engineer is planning to expand the warehouse of a large factory to accommodate the materials that need to be stored there.

ID:1756885101 A specialist engineer is planning to expand the warehouse of a large factory to accommodate the materials that need to be stored there.

A specialist engineer is planning to expand the warehouse of a large factory to accommodate the materials that need to be stored there.

ID:1756885097 A specialist engineer is planning to expand the warehouse of a large factory to accommodate the materials that need to be stored there.

An electrician is calculating the backup power generation from the number of solar panels on the rooftop of an office building.

ID:1690300130 An electrician is calculating the backup power generation from the number of solar panels on the rooftop of an office building.

An environmental expert is collecting water samples from a natural pond to test the ecosystem for health.

ID:1546222569 An environmental expert is collecting water samples from a natural pond to test the ecosystem for health.

一家水处理厂的一名检查员和一名工程师正在共同规划安装更多的水过滤器，以使水更清洁，适合家庭安全使用。

ID:1481589435 一家水处理厂的一名检查员和一名工程师正在共同规划安装更多的水过滤器，以使水更清洁，适合家庭安全使用。

Wastewater treatment engineers are working together to develop a water filtration system for a wastewater treatment plant.

ID:1559490686 Wastewater treatment engineers are working together to develop a water filtration system for a wastewater treatment plant.

An environmental expert is examining contaminants in water released by an industrial plant into a public river.

ID:1546221874 An environmental expert is examining contaminants in water released by an industrial plant into a public river.

An environmental expert is examining contaminants in water released by an industrial plant into a public river.

ID:1546221822 An environmental expert is examining contaminants in water released by an industrial plant into a public river.

An expert repair technician in the office is connecting the server cabinet cables to ensure the system works properly according to standards.

ID:1509685010 An expert repair technician in the office is connecting the server cabinet cables to ensure the system works properly according to standards.

一位专业维修人员正在认真检查办公室中一个服务器机柜的问题。

ID:1509684624 一位专业维修人员正在认真检查办公室中一个服务器机柜的问题。

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.

ID:1481589138 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.

环境科学家正在从运河采集水样带回科学实验室检测污染物。

ID:1124115411 环境科学家正在从运河采集水样带回科学实验室检测污染物。

A geologist is examining the rock layers of a mountain.

ID:1511303704 A geologist is examining the rock layers of a mountain.

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.

ID:1481589217 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.

Plumbers and inspectors work together to verify that high pressure relief valves are still operating according to standards.

ID:1449165278 Plumbers and inspectors work together to verify that high pressure relief valves are still operating according to standards.

Expert architects are seriously brainstorming on the blueprints of an office building.

ID:1704739043 Expert architects are seriously brainstorming on the blueprints of an office building.

专业建筑师们正在合作，为一家大型运输业工厂设计一个大型仓库建筑。

ID:1704738929 专业建筑师们正在合作，为一家大型运输业工厂设计一个大型仓库建筑。

Expert architects are collaborating to design a large warehouse structure for a large transportation industry factory.

ID:1704738928 Expert architects are collaborating to design a large warehouse structure for a large transportation industry factory.

Scientists are collecting samples of water released into canals by treatment ponds to examine the microscopic organisms that live in the water.

ID:1726269309 Scientists are collecting samples of water released into canals by treatment ponds to examine the microscopic organisms that live in the water.

Scientists are collecting samples of water released into canals by treatment ponds to examine the microscopic organisms that live in the water.

ID:1726269019 Scientists are collecting samples of water released into canals by treatment ponds to examine the microscopic organisms that live in the water.

Scientists are collecting samples of water released into canals by treatment ponds to examine the microscopic organisms that live in the water.

ID:1726268911 Scientists are collecting samples of water released into canals by treatment ponds to examine the microscopic organisms that live in the water.

An environmental expert is examining the contaminants in water being released into a canal.

ID:1726268781 An environmental expert is examining the contaminants in water being released into a canal.

An environmental expert is examining the contaminants in water being released into a canal.

ID:1726268491 An environmental expert is examining the contaminants in water being released into a canal.

An environmental expert is examining contaminants in water released from a treatment pond into a community canal.

ID:1726267445 An environmental expert is examining contaminants in water released from a treatment pond into a community canal.

An environmental expert is examining contaminants in water released from a treatment pond into a community canal.

ID:1726267341 An environmental expert is examining contaminants in water released from a treatment pond into a community canal.

A water treatment plant specialist is checking the water quality to find any abnormalities in the water filtration system.

ID:1726267259 A water treatment plant specialist is checking the water quality to find any abnormalities in the water filtration system.

A water treatment plant specialist is checking the water quality to find any abnormalities in the water filtration system.

ID:1726266976 A water treatment plant specialist is checking the water quality to find any abnormalities in the water filtration system.

A water treatment plant specialist is checking the water quality to find any abnormalities in the water filtration system.

ID:1726266941 A water treatment plant specialist is checking the water quality to find any abnormalities in the water filtration system.

An environmental expert is examining the contaminants in water being released into a canal.

ID:1726268450 An environmental expert is examining the contaminants in water being released into a canal.

An environmental expert is collecting water samples to be tested for contaminants in a lab.

ID:1726267956 An environmental expert is collecting water samples to be tested for contaminants in a lab.

An environmental expert is collecting water samples to be tested for contaminants in a lab.

ID:1726267751 An environmental expert is collecting water samples to be tested for contaminants in a lab.

An environmental expert is examining contaminants in water released from a treatment pond into a community canal.

ID:1726267597 An environmental expert is examining contaminants in water released from a treatment pond into a community canal.

Scientists are collecting water samples to take to the lab to examine the ecosystem and its abundance.

ID:1726270065 Scientists are collecting water samples to take to the lab to examine the ecosystem and its abundance.

Scientists are collecting water samples to take to the lab to examine the ecosystem and its abundance.

ID:1726269755 Scientists are collecting water samples to take to the lab to examine the ecosystem and its abundance.

Scientists are collecting water samples to take to the lab to examine the ecosystem and its abundance.

ID:1726269437 Scientists are collecting water samples to take to the lab to examine the ecosystem and its abundance.

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