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A lifeguard (United States) on patrol during Hurricane Earl. Red and yellow flag indicating a bathing area patrolled by lifeguards. A lifeguard is a rescuer who supervises the safety and rescue of swimmers, surfers, and other water sports participants such as in a swimming pool, water park, beach, spa, river and lake.
If you want to become a lifeguard, you will need to complete five elements to obtain a lifeguard certification from the American Red Cross: aquatic attraction lifeguarding (water less than or ...
E.M.I.L.Y. (sometimes, EMILY or Emily; acronym for Emergency Integrated Lifesaving Lanyard) is a robotic device used by lifeguards for rescuing swimmers. Created by Hydronalix, a maritime robotic company, and funded by the United States Navy, EMILY operates on battery power and is operated by remote control after being dropped into the water from shore, a boat, pier, or helicopter.
This article is a list of mnemonics and acronyms related to first responders including community first responders, emergency departments, and other first responders with either low level or no qualifications in the relevant field. This list includes the definition of each item in the mnemonic or acronym.
YouTube Kids has faced criticism from advocacy groups, particularly the Fairplay Organization, for concerns surrounding the app's use of commercial advertising, as well as algorithmic suggestions of videos that may be inappropriate for the app's target audience, as the app has been associated with a controversy surrounding disturbing or violent ...
A train of the Superman – The Ride virtual reality roller coaster at the Six Flags New England theme park. Riders are wearing Gear VR virtual reality headsets. While virtual reality roller coaster simulations quickly became quite popular after the appearance of the Oculus Rift, it showed that dizziness and motion sickness, known as virtual reality sickness, would be a major problem. [9]
Megan Davidhizar received two rubber ducks from her students during her first year teaching high school freshmen 16 years ago. She displayed them on her desk and other students saw the ducks and ...
The range of signal frequencies that a piece of audio or video equipment can encode or decode; the difference between the limiting frequencies of a continuous frequency band. Video uses higher frequency than audio, thus requires a wider bandwidth. [2] Bar Test Pattern Special test pattern for adjusting color TV receivers or color encoders.