Download Alertness Royalty-Free Stock Video Clips

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329 results found for alertness

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"alertness"
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Starling escapes from the heat and swims in a pond. Сommon starling (Sturnus vulgaris), also known as the European starling in North America.

Monitor displays vital signs of patient. Modern equipment for continuously monitoring patient health ensuring safe condition in operating room

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Close-up view of prairie dog on ground, 4k

meerkat standing in alert position. slow motion

Emergency Response: Firefighters En Route to the Scene, Double-Checking Preparations with a Tinge of Tension in the Air

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Film Burn Footage, Light Leaks flash transition.

On Air illuminated sign.

Red warning light spinning 4k

A young blonde girl in a white T-shirt wakes up abruptly while lying in a serious bed

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Prairie dog on ground

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Starlings escaping the heat in a pond. Сommon starling (Sturnus vulgaris), also known as the European starling in North America.

A blonde girl in a white T-shirt wakes up abruptly and looks anxiously at the phone at night

Pulsing neon yellow triangles pattern in rows, motion abstract disco, party and geometric style background

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Maned Wolf in forest. The maned wolf (Chrysocyon brachyurus) is a large canine of South America.

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Treadmill Running An Engaging and Exciting Fitness Journey in Continuous Motion

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Emergency Response Vehicles Are Actively Responding in the City at Night During Crisis Situations

A special forces surveillance team in a futuristic office with large live screens

High angle shot of two diverse security officers in black uniforms working and controlling multiple screens with CCTV video footage in surveillance room

Emergency Response: Firefighters En Route to the Scene, Double-Checking Preparations with a Tinge of Tension in the Air

Devoted female volunteer walking in the park

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Maned Wolf in forest. The maned wolf (Chrysocyon brachyurus) is a large canine of South America.

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Maned Wolf in forest. The maned wolf (Chrysocyon brachyurus) is a large canine of South America.

Active female volunteer walking in the park

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Emergency response operations take place on a city street at night during a crisis

Smiling female volunteer standing in the park

Triangles pattern with pulsing neon yellow led light, motion abstract disco, club and geometric style background

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Please take caution when approaching this Pedestrian Sign located on the roadway ahead

Police vehicle lights flashing Police car siren on neighborhood. Close up view

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Security Camera on a black pole. remote security surveillance system. video security surveillance in public and private area. Wide view

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Workers are observing a furnace in manufacturing, ensuring optimal operations and safety. Stock Clip

Emergency Response: Firefighters En Route to the Scene, Double-Checking Preparations with a Tinge of Tension in the Air

Abstract colored bright glowing background with a sphere core atom energy burning ball circle made of waves of energy rays and plasma with light video in high quality 4k, motion design

Commuter Woman Wakes Up From Nap Inside Train Transportation Having Missed Stop And Getting Up From Seat Sleeping Passenger Waking Up

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Vintage-style textured film grunge burns and fungus.

Happy man performing dance on a Green Screen, Chroma Key

Rapid Response: Firefighters at the Fire Station, Quickly Donning Boots, Helmets, and Gear with Precision in Response to an Emergency

Mixed-race man's eyes close-up, portraying intense focus and active listening, Detailed view of a mixed-race individual's eyes, showcasing keen awareness and deep engagement

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A person wearing blue gloves sanitizes their hands at a desk with a laptop, tissue box, and a small bottle.

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Vintage-style flicker Super 8 film Light leaks and lens flare, grunge burns transitions

Police vehicle lights flashing Police car siren on neighborhood. NY 10 september 2021 USA. .

Positive international volunteers sitting in the park

A large Tawny Eagle (Aquila rapax), bird, sitting at the top of a dry tree in the African Bushveld, Bush, South Africa

Lynx resting on a mountain rock at sunset

Animation of security camera watching. Green screen. loop ready file.

Footage of a machine or production line indicator, alarm or warning light, the red lamp is blinking...

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Starlings escaping the heat in a pond. Сommon starling (Sturnus vulgaris), also known as the European starling in North America.

Megaphone close up rised in hand on green screen chroma key background. White loudspeaker for social performance in raised hand. Special announcement, advertisement or broadcast

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A worker in protective gear at a busy industrial site, focused on safety and efficiency. Stock Clip