10 (a) State TWO respiratory diseases that may be caused by exposure to asbestos. (2) (b) Identify where asbestos is likely to be encountered in a building during renovation work. (6) 6 (a) Define the term `target organ’ within the context of occupational health. (2) (b) Outline the personal hygiene practices that should be followed to reduce the risk of ingestion of a hazardous substance. (6) 3 (a) Explain the meaning of the term `dilution ventilation’. (2) (b)
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Within my life time‚ I have met very few people that know what it means to believe in Jesus. With some‚ I see potential to be great followers in Christ‚ and others confuse me because of the things they choose to believe or not believe in. I know that my faith is not perfect. I do know that it is strong. I am fully aware of why I am alive and how my faith effects my life. The reason why I am living is to serve others and trust and believe in Jesus Christ. I have learned that since God has control
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Module 1 NOTES 12-bar blues is a chord progression that is common in many popular forms of music. A metronome‚ or a device that produces regular ticks or beats according to the beats per minute‚ is one way that musicians and composers can help maintain a consistent pace in the music. A concerto is a musical piece in which one solo instrument (such as a piano or violin) is accompanied by an orchestra. A scale is a group of notes in ascending and descending pitch. A sonata is a musical composition
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Preparation of an Acetic Acid Ester Abstract: 14.1 g of octyl acetate were synthesized from the esterification process using 20.0 ml of acetic acid and 17.9 g of n-octanol. The theoretical yield was 23.8 g of octyl acetate. The percent yield was 59.2%. The purification of the final ester was confirmed by boiling point (186-199°C) and infrared index (nD=1.419). It was a colorless liquid that had a slight fragrance of orange and indescribable chemicals. The Infrared spectra confirmed ester
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The Literature about the Titanic The Titanic sunk April 14‚ 1912 after crashing into an iceberg. More than 1‚500 lives were lost. The sinking of the Titanic made a great impact in history. It was thought to be the fastest ship and to be unsinkable. Although the sinking of the Titanic was so long ago‚ lots of literature has been written about the ship. Three pieces of literature are a poem by David R. Slavitt entitled "Titanic"‚ a folk song published by Carl Sandburg in a book named The America
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“A man who has never gone to school may steal from a freight car; but if he has a university education‚ he may steal the whole railroad.” As said by Theodore Roosevelt. While going to college may not be an attainable opportunity‚ I believe for those that it is reasonable to‚ should take every step towards higher education. For me‚ the decision was an easy one. Higher education is a privilege that I would not take for granted. Although I have only attended college for two years‚ I have expanded my
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Dear diary‚ I was reading one of the latest teenage magazines today. I find them rather interesting and informative because they are full of very compelling articles about role models in sport and culture. in this generation. There was a very amusing article on a singer called Miley Cyrus. She is an interesting character. It is amazing to watch what happens to young celebrities‚ as they get older. Often‚ after many years in the spotlight‚ some celebrities appear to develop a very undesirable image
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Thermochemistry Laboratory Report Abstract The purposes of these three experiments are to determine the heat capacity of a calorimeter and with that data‚ confirm Hess’s Law and observe enthalpy changes within reactions. By measuring the change in temperature that occurs with the interaction of two different reactants‚ we were able to determine both the calorimeter constant and the change in enthalpy of a given reaction. The results were rather mixed‚ as some numbers more closely resembled the
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In this local experiment‚ the goal was to use a polyacrylonitrile (PAN‚ (C3H3N)n) in addition to a chalcogel. This chalcogel is efficient at adsorbing I2 gas. Although just the chalcogel itself isn’t mechanically stable especially if it is to be used in the field for actual radioactive iodine capture. By creating a hybrid substance with the PAN and the chalcogel in a mixture‚ the theory is that they can create a mechanically stable efficient iodine capture method. This experiment did not study the
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Synopsis: The main aim of the experiment is to find out the amount of calcium carbonate in toothpaste through back titration since calcium carbonate does not dissolve in water. A roughly weighed amount of calcium carbonate is mixed with hydrochloric acid and then titrated against sodium hydroxide. When the indicator turns from pink to orange‚ the volume of sodium hydroxide used is taken down. After doing some calculations‚ the average percentage of calcium carbonate in toothpaste is 19.2%. This average
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