6210634 Bilder zum Thema "Essai des eaux" bei ClipDealer

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selective focus of water inspector in protective costume, respirator and goggles taking water sample
Researcher testing the water quality
male scientist in latex gloves taking sample of water in test flask outdoors
Test tubes closeup,medical glassware
water inspector in protective costume and respirator taking water sample at river
laboratory test tubes
cropped image of male scientist in latex gloves taking sample of water in test flask outdoors
Water Purity Test
partial view of water inspector in latex glove holding test tube
Close-up of hand wearing rubber glove shows glass flask with sample of pure water. Sunset sky and ocean on background. Copy space. Concept of science experiment and ecology.
partial view of water inspector in latex gloves taking water samples at river
File of hand holding water ph testing test comparing color to in
panoramic shot of water inspector in latex gloves holding test tubes
Dropping chemical liquid to test tube with lab glassware background. Science or chemistry research and development concept.
male scientist in protective mask and suit looking at sample of water in test flask outdoors
Man checks the purity level of tap water using water TDS meter tool, at home. Device shows 196 ppm of contaminant level, which is considered the typical value. Little girl is watching the process.
partial view of water inspector in latex gloves with test tube taking water sample
Marine biologist analysing water test results and algea samples
partial view of water inspector in latex gloves with test tube taking water sample
Marine biologist analysing water test results on a tablet in Can
cropped view of water inspector in latex gloves with test tubes and flasks at coast
Liquid drop
partial view of water inspector in protective costume holding test tubes
Science Test Background
water inspector in protective costume and respirator taking water sample at river
Drinking water in the test tube for chemical and microbiological
full length view of water inspector in protective costume, latex gloves and respirator holding flask with water sample at river
Water testing at swimming pool, laboratory glassware in hand
water inspector in protective costume and respirator taking water sample at river
Water testing at swimming pool, laboratory glassware in hand
water inspector in protective costume, latex gloves and respirator holding flask and test tubes with water samples at river
Water testing at swimming pool, laboratory glassware in hand
Smiling girl in apron looking at friend near glass test tubes and plants at home
Indicator of water hardness on drinking glass closed up
Smiling girl pouring ground in flowerpot near friend and plants at home
Water testing at swimming pool, laboratory glassware in hand
partial view of water inspector in latex gloves taking water samples at river
Acid acidic water test ph reagent
water inspector in latex gloves with test tube taking water sample
Alkaline water ionizer test ph reagent
cropped view of water inspector in latex gloves taking water samples at river
Biologists testing water of natural river
panoramic shot of water inspector in latex glove holding test tube
Water testing at swimming pool, laboratory glassware in hand
water inspector in protective costume and respirator taking water sample at river
Water testing at swimming pool, laboratory glassware in hand
Preteen kids in aprons looking at each other near test tubes and plants at home
Laboratory test
cropped view of water inspector in latex gloves taking water sample at river
Tap water analysis quality control concept. Hand with a flask and water tap ckose up.

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