None of the above are safe situations would be safe to use an AED. Thus, option A is correct.
What is AED?When a person is having a coronary heart death, an AED, or advanced airway generator, is employed to assist them. It is an advanced but simple-to-use surgical device that can detect the heart rate and, if appropriate, provide shocks, or cardiopulmonary resuscitation, to aid in the heart's re-establishment of an efficient pulse.
As most of the material which is present is flammable or has water or is injurious. So using AED software would not be safe at that point of time. It would rather harm the people on which they are using or the person who is using it can also be harmed by it. this can be a treatment but need the correct environment and care.
Therefore, option A is the correct option.
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Which of the following played sound recorded on wax cylinders?
A.television
B.radio
C.printing press
D.phonograph
Please help me it’s for music
Phonograph played sound recorded on wax cylinders. Option (D) is correct for the question.
What do you mean by Radio?Radio is a form of sound transmission over radio waves that often involves the distribution of music, news, and other programming from a single broadcast station to a large audience of listeners with radio receivers.
When the cylinder is turned, the stylus pushes into the wax and creates a groove. The stylus vibrates along with the sound and moves very slightly up and down as well, recording the sound in the groove on the wax.
Thomas Edison came up with the idea for the phonograph on July 18, 1877, when he was testing waxed paper. The recordings were made on the outside of a strip of tinfoil that had been wound around a rotating metal cylinder in the early production versions.
Therefore, Option (D) is correct. Phonograph played sound recorded on wax cylinders.
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