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Testing water with a water parameter meter, such as pH, conductivity, Ta, redox and oxygen.
Water samples were collected in industrial canals for inspection
Birdwatching in nature. Woman with binoculars watching birds and animals at lake
Environmental Scientist Examining Wastewater from factory at industrial estate
the scientist, in a protective suit and mask, writes down the results of the sample from the river in a notebook, next to a mobile phone and test tubes with liquids
Man standing on the hill and looking on beautiful view on caminito del ray river
Closeup of hand collecting samples in nature.
Weather thermometer in the grass on the blue water background
Woman wildlife manager or ecologist looking through binoculars exploring the great outdoors in autumn Birdwatching near river copy space Eco tourism
A scientist and researcher collects samples from various aquatic ecosystems with beakers and test tubes, enters the samples into a list and prepares it for research in the laboratory. A team working on remote field surveys of primeval water sources in the primeval forest. Sources of clean water and unpolluted water.
universal indicator paper, Litmus Paper of ph Value Measurement, laboratory inspection equipment
She uses binoculars
Close-up scientist hand with a white PPE suit and nitrile gloves collect sample waste water into a flask for laboratory water analysis, industrial and environmental concept
Biologist that collects data on temperature of a water course for the analysis of its pollution and for the study of its features.
Analysis, water sample from the river, lake. A gloved hand collects water in a test tube. The concept of ecology, environmental pollution
Ecologist doing field-based water samples studies using mobile laboratory. Survey of biodiversity in marine ecosystems and restorative environments (dams).
field researcher biologist examines a sample of soil in a test tube against a dry marsh
The Camargue was designated a Ramsar site as a \
Eco tourism. Woman hiker with binoculars watching birds and wildlife animals at lake. Hiking and bird watching in spring nature
Young hiker hydrating himself after a hike
A full-length man in a bright snowboarding suit stands on the ice on a sunny day. He holds a stabilizer in his hands. Takes pictures of ice and cracks on a smartphone. Blogger traveler. Profile photo, full human figure.
Female biochemist or infectious disease specialist conducts a chemical test of water against the background of a sewer with leaking water
Side view of young female traveler in cap and casual clothes with backpack exploring forest with binoculars while standing against green trees
Male hiker man enjoying some free time and fresh air outdoors in the Alpine mountains on a beautiful day
Group of asian schoolboys spending their free times on long weekend in summer season by learning and watching fish, birds, trees, flowers, animals, insects and small creatures by using binoculars, magnifying glasses and compass, soft focus.
Caucasian ginger haired Caucasian woman photographer in squatting position, takes photos on the lake bank in a sunny winter park. Profile view
chlorine solution in glass, Chlorine is used to kill bacteria or to perform experiment in laboratory
Hiking man looks through binoculars
sea pebble beach with multicoloured stones, transparent waves with foam, on a warm summer day
A deep blue water well stretches before your eyes, reflecting the clear sky and white clouds. Its calm surface invites you to dive into its mysterious depths, where the light filters through creating a spectacle of blue and turquoise tones. A magical place where serenity and beauty merge in perfect harmony.\nPozo Azul de Covanera, Burgos, Spain
Free Images: "bestof:Photograph of Sig Olson Testing the Temperature of the Water - NARA - 2128749.tif Scope and content Original caption Sig Olson is shown testing the temperature"
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