Noise source Essay Example | Topics and Well Written Essays - 250 words

Noise source - Essay Example A very common workplace hazard is noise pollution experienced. For example, noise of an in-house generator in the maintenance building affecting the officers working in a nearby building of a business complex. As per energy conservation policy the complex is run on generator for a specific time period every day from 12 noon to 3 p.m. Work timing of the nearby offices are 9 a.m. to 6 p.m. five days a week and lunch break is from 1 a.m. to 2 p.m. Employer has provided ear plugs or muffs (PPE) as a common control measure to each employees when discomfort was voiced, however the problem remained with employees getting disturbed and anxious also showing poor performance and low productivity especially during the generator on-timings. Even customers calling in or visiting the office during the time complained and showed discomfort to the noise being generated along with the smell of burnt fuel prevalent in the air. Company should not completely rely on PPE and let the discomfort affect the productivity and results of the company. They should make their Health Safety & Environmental Policy more effective by adopting a number of control measures than can improve the working conditions since the exposure is a daily recurring scenario. An engineering treatment for the problem can be either at the source or at the noise transmission path or at the receiver. Generator being a noisy component is already placed in a separate building; however the noise reaches outside and is unavoidable. The generator cannot be enclosed in a sound absorbent enclosure since it requires proper ventilation and cooling systems. However the office building and other surrounding building can be made sound proof by fitting sound absorbent materials such as flexible or fixed screens / windows or curtains of sound absorbent material that can prevent or lower the level of noise from outside entering the building. This would also require the building to have

Short writing Essay Example | Topics and Well Written Essays - 250 words

Short writing - Essay Example government and its Border Patrol are constructing a steel wall ten feet high to span sections of the border with Mexico†(Silko, 2013, p.122). The vivid descriptions of the situation at the border come because of the narratives being personal experiences of the situation. The narratives have a significant difference in that most of the events described by Biss occur in Mexico while Silko describes events occurring in the border. While crossing the border Biss was not subjected to the dehumanizing search, but observed that Mexicans were being mistreated, resulting in the development of hatred for Americans, while staying in Mexico. Silko was personally subjected to the ill treatment while attempting to move across the border, and realized that all individuals moving across the border were subjected to similar actions. Sometimes, the treatment was worse, as the officers might have beaten them. The experience through which Silko underwent leads to the conclusion that the patrols cannot stop the migration since this is a natural event. For Biss, however, the experience was different and was based on the observation of lifestyles of the Mexican people. This resulted in a retaliation act by hating Americans for mistreating the Mexican