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Periscope emerging from a water surface. Digital illustration, 3D rendering.
Closeup of hand collecting samples in nature.
Slinger assembler in a blue jacket with a hood and a black hat unloads ice blocks
Fuel Oil Gauge
Satellite image, UFO spaceship and overlay text at night with FBI investigation and alien evidence. Surveillance, photo and area 51 recording of flying saucer and survey for mystery object in sky
Man checking level of contamination of water. He is holding test tube in front of his face and looking at it.
Submarine Periscope on the Sea Surface. 3D Render
hand hold water quality tester and take sampling water for analysis
asian man is photographing details of a volcanic rock with his smartphone. The man is wearing a black jacket and jeans
Close-up Construction water level
Two hands, male and female holding a camera lens, through the lens see sea, sky and big skyscraper,  concept of a same vision at life
A focus scene on a pot full with hot boiling cooking oil and temperature check.
Person holding a modern avalanche beacon in his hands. Off piste skier displaying avalanche beacon and how to use it. Lavine prevention device, beacon to find a person.
Man checking level of contamination.
Male landscape photographer hiking on mountain or active volcano and taking photographs of the nature from view point
Earthworks for road construction are underway, with markers placed along the edge indicating the height. The scene shows heavy machinery and construction equipment actively shaping and preparing the ground for the new road. The markers, typically numbered stakes or signs, are strategically placed to guide the construction process, ensuring the road's elevation and grading meet the required specifications. These numbers help construction crews maintain accuracy in the road's height and slope, critical for drainage and safety. The background might include a partially completed road section and an open landscape, highlighting the scale and progress of the construction project. The image captures the meticulous planning and effort involved in transforming the terrain into a functional roadway.
sunset in harbor
Female backpacker is streaming about her journey through mountain pass
Botanist taking hight measures of a seedling of an endangered species, studying their natural regeneration
Two illuminated bullet casings on a black stoned floor in close up in red light and a forensic scientist's number next to it, macro photo
Tromso, Norway - 12 09 2013. Worker folding a big shrimp cage. Trawling for shrimps and crabs in the Norwegian fjords.
Metal ruler close up
Woman on a hike
Smiling African American woman wearing raincoat
Craniometry is the science of studying individual skulls and their condition - the degree of development of the bones as a whole, as well as the symmetry of all sides and the ratio of all sides of the skull relative to each other. It also allows you to monitor the dynamics and state of populations of individual animal species, based on the analysis of a sample of individual representatives of the population using statistical analysis methods
Macro and hardness test specimen of the groove or butt weld with electrode process for welding procedure qualification record. Macro examination is the procedure in which a specimen is etched.
Tire print and bullet cartridge in snow. Crime scene investigation.
Revealing and preserving the shoe prints- investigation of the scene.
measurement of soil density in the field using a Penetrometer
Free Images: "bestof:While making observations at a depth of about 330 meters, one of the scientists excitely broke in and identified this as a type of Jellynose eel (genus"
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