Decibel

The presence of excess noise has been associated with occupational hearing loss, which is the most common work-related injury in the United States (CDC, 2012). Over 22 million workers in the US are exposed to hazardous levels of noise in their work place. Additionally, there are many ototoxic chemicals that can attributed to the damage to the parts of the ear that are associated with hearing such as: toluene, styrene, xylene and can be synergistic with mechanical stress to the ear (USAPHC,…

Many people want to become many things. A crime scene investigator (CSI) on the federal level is one of the many. In order to do this there are many different things that are need to be known: the salary of the job, what schooling it will take, all the requirements, things that could possibly disqualify the person, and the benefits and what the outcome of being a CSI on the federal level will be like. A person wanting to pursue their career path in being a CSI needs to be aware of the…

Logarithms For a start, there are some different courses of mathematics in high school and in college. Many students work enough just to pass the course at least with a C. When the time comes to work with logarithms most of the students have a difficult time working with. In some cases, they tend to memorize the rules with not completely understand them. Although, when they have gone through the chapter about logarithms, they feel relieved to be done with, but they are wrong because in…

1. Explain the difference between periodic and aperiodic waveforms. What are the visual differences? What are the characteristic sonic qualities of each? (2 points) Answer: A periodic waveform has repeatable patterns. Also, periodic waveforms have a tone. Most musical instruments have repeating periodic waveform. The periodic waveforms can also be found in bird sound and human vocal voice. However, an aperiodic waveform dose not have a repeating waveform and tone, like noise, the engine idling…

Energy Word Bank – 9 Science Word Definition Scientific Model A representation of a concept we can not physically see. Energy The ability to do something. Kinetic Energy Moving energy exp: a moving car Potential Energy Something that has the ability to power or do something or cause a change; stored energy exp: a battery Mechanical Energy The energy an object contains due to its positioning or movement. Gravitational Potential Energy Something that is in a position where it may fall or…

examples of hyper masculine and hyper feminine products that are frequently bought. The hyper masculine ear plug product marketed towards males is named “Skull Screw Hi Tech Ear Plugs.” They are described as “super soft,” “Hi- Tech” and with “30 decibels of protection.” The slogan of these ear plugs is “Screw ‘em in your ears.” On the packaging,…

There are several standards that nail guns and compressed air tanks have to follow in order to be in compliance with OSHA. These standards include both subparts E as well as subpart I in the 1926 CFR. Subpart E lays out the rules and regulations pertaining to the personal protective equipment required to operate a nail gun. The first of these rules and regulations is the 1926.100 which is head protection. It states that each employee that is exposed to an overhead hazard must be given adequate…

In history, Music was a great role in various aspects. The combination of rhythm, melody, harmony, and color. The music is an unlimited source of nutrient to our humanity. Throughout the history, it is used for entertainment, helping people go through tragic times, and to control their emotions. As Behavioral psychology develops, they find out that music has a great impact on Psychological development in people. Also, some of counseling Psychologist uses the method of musical therapy to help…

Almost everyone, especially children, absolutely loves visiting the zoo. It is cost friendly compared to paying to see animals in the wild. People get to catch a glimpse of the exotic animals that he or she can only see on TV documentaries, or maybe dreamt of when their parents read them stories like The Jungle Book as a child. People’s eyes fill with excitement when they get to go see the lions, tigers, and bears. However, the animals are less than enthused. While I think that zoos are…

Slogan-Whoa, turn it down!!! Description of health issue-The tiny hair cells in your ear change sound into electrical signals that are carried to the brain and documented as sound. After long periods of time listing to any type of sound over 70 decibels (dB)(the unit sound is measured in) can harm your ears. When people listen to music your ears are taking in incredible amounts of sound. That Is why in schools you think that kids are just ignoring you but they might actually not hear you. 15…