Air pollution

found in the ground and bedrock, meaning radon continuously leaks out of the ground into the air, water, and built structures, such as houses. As stated above, Radon can be found outdoors in the air, soil, water in lakes and rivers, and even inside built structures. Radon can be found in low levels in the outdoor air and water from the rivers and lakes compared to the higher levels of radon found in the air circulating inside buildings. Importantly noted, individuals are most exposed to radon…

Reducing wildfires is a huge problem that is trying to be solved. Prescribed burns is one of these ways but what does it really do for humans and the environment? Controlled burns are not wise because they get out of control very quickly, air quality becomes dangerous to breathe, and dips the economy dramatically. Controlled burns are quite the opposite of their name, they get out of control faster than they can be put out and contained. Such as in the 2012 case in North Carolina in which…

Firefighting is much more than getting cats out of trees. In the fire service industry, we face multiple challenges from day to day and from call to call. Firefighting in a whole is much more than hanging out and sleeping at the firehouse. Firefighting has a very broad spectrum like responding to motor vehicle incidents to responding to large gasoline truck fires. In the scenario I am going to provide more detail when it comes to fighting different types of flammable liquid fires and the…

There are many different types of technologies used in avoiding or reducing the effect of a collision, they include: • Airbags • Crumple • Seat belts - Inertia-reel seatbelts and gas based These technologies focus on reducing the force which is felt by the occupant of the car or vehicle. It is important to understand that these technologies do not change the momentum experienced but rather reduce the force which is felt by extending the time in which the vehicle absorbs the impact. There are…

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,…

radiation from the sun causes the release of chlorine atoms that react with the ozone. This chemical cycle causes ozone destruction that depletes the ozone layer. Ultimately, the chain reaction will affect the air quality, thus increasing respiratory problems. One disease that results from poor air quality is asthma, a respiratory disease in which difficulty breathing due to narrowing of the bronchi. Asthma is prevalent worldwide and affects children and…

Engage the ignition and your car should immediately respond with a familiar noise, ranging from a muted hum to a raucous bellow, depending on what’s under the hood. Beyond the expected sounds, a few others may intrude, serving as a warning that a breakdown may be imminent. Here’s how to interpret that knocking noise and other mysterious sounds. 1. Engine Knocking or Pinging The wrong kind of fuel, specifically gasoline with too low of an octane rating can cause an engine to knock or ping.…

CHAPTER TWO LITERATURE REVIEW 2.1 Theoretical principles 2.1.1 Motor vehicle repair and servicing works In the motor vehicle repair works, a number of processes are undertaken depending on the part under repair or service. This includes but not limited to, bodyworks, engine parts, transmission parts and auxiliary parts like batteries. Operations on this parts during either repair or servicing is prone to expose the worker to some dust mostly inform of fumes. Hazardous materials and wastes in…

The Taxi and Ride-sharing Market (Taxi, Uber, Lyft) in Los Angeles "Uber and Lyft have devastated L.A.'s taxi industry," (LATimes). Over the past couple of years Los Angeles has faced a big change in transportation available to the public. And companies like Lyft and Uber have been leading the charge to change the way the people of Los Angeles get around the city. Before the introduction of these companies if someone needed to get around LA they would take a cab, but now they have more…

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