Download Alertness Royalty-Free Stock Video Clips

Royalty-free Stock Footage Clips, Motion Backgrounds, and Templates

326 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

Cheerful female volunteer standing in the park

meerkat standing in alert position. slow motion

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Film Burn Footage, Light Leaks flash transition.

On Air illuminated sign.

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

Red warning light spinning 4k

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Prairie dog on ground

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

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

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

Lion cub sleeping after meal in Africa

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Treadmill Running An Engaging and Exciting Fitness Journey in Continuous Motion

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

Squirrel with nut in summer park, 4k

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

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

Two large adult cheetahs rest and relaxing in the grass

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

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Emergency Situation Alert Intense Fire Erupting from the Elevator Shaft in the Commercial Building

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

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

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A Dramatic Elevator Fire Explosion Erupts in a Bustling Urban Setting, Causing Chaos and Alarm for All

Active female volunteer walking in the park

Smiling female volunteer standing in the park

Wolf walking on field in forest

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The Life Preserver by the Marina Ensuring Safety and Security while Enjoying Time at Sea

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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

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

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

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

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

Waist up of positive hindu volunteer standing outdoors

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

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

Positive international volunteers sitting in the park

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

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

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

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

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