쉐도잉 연습: Chemical Manufacturing 101 - Texas - 영상으로 영어 말하기 배우기
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Chemical manufacturing has a long and deep history in Texas that spans across two centuries.
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Over that time, Texas has become the largest chemical producing state in the country, and the chemical sector has become the largest manufacturing industry in the Lone Star State.
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The Gulf Coast, and Texas in particular, can be an ideal location for chemical manufacturing because of the ready access to abundant feedstocks,
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such as oil and natural gas, strong infrastructure, and a highly skilled workforce.
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More than 70 ,000 Texans, very possibly some of your friends, family, and neighbors, work directly in chemical manufacturing.
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These workers are dedicated to keeping each other safe and protecting the communities where they live and work.
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Chemistry is all around us, but most people don't fully appreciate its connection
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and importance to our daily lives or the great care and effort that goes into manufacturing chemicals.
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It's easy to overlook, since most people are removed from it, but make no mistake that the nation depends on the chemical sector.
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Safe drinking water, plentiful food supply, abundant energy, and life -saving medicines, these essential products are vital to the things we need every day.
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In fact, more than 96 % of all manufactured goods are directly touched by the business of chemistry,
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which is why the federal government considers the U .S chemical sector a critical part of our country's infrastructure.
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Chemical manufacturing is based on the basic elements of chemistry that we learned in high school, just in a more diverse, sophisticated manner.
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Just about every scientific discipline is put to work to harness
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the transformative power of chemistry by combining raw materials such as natural gas and oil with heat,
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air, and water through a variety of processes to make basic building block chemicals.
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Chemical plant operations can be highly specialized and use a wide array of technologies to carefully control processes used to manufacture chemicals.
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Plants come in many shapes and sizes depending on what the facility produces.
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Chemical manufacturing essentially comes down to reconfiguring, moving, and managing molecules to make chemical compounds that are used to sustain our modern life.
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Most chemical plants involve the reaction between two or more materials, or molecules, which is controlled in a vessel called a reactor to create a new material.
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The final result flows from the reactor, where the desired product is separated from side substances and is then purified and concentrated.
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Let's take a closer look at the anatomy of a chemical plant to see how it works.
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Piping.
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One thing you will notice when you visit a facility is that there are numerous racks of pipes of various sizes,
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which are used to feed the chemical process with raw materials and move finished product to storage tanks.
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The contents can at times be moving through pipes under high pressure and or at high temperatures.
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Manufacturing units Manufacturing units are the business end of a plant and where all the real action takes place.
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This chemical process is often done using specially -built equipment called crackers,
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which is a special type of reactor where heat or a catalyst is used to transform a single molecule,
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like ethane or propane, into a different and more useful product, like ethylene or propylene.
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In addition to reaction vessels, each unit is a collection of distillation columns,
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pipes, pumps, compressors, and equipment specifically designed for the chemistry being produced.
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Units are designed and constructed to safely manage heat, pressure, and the flow of liquids and other elements involved in the chemical manufacturing process.
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Control Room Numerous sensors, valves, and other instruments control equipment throughout the plant are used to closely monitor
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and manage the reaction and movement of materials throughout the plant.
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Operators, often in a centrally located control room with large display panels, monitor the activity in the manufacturing units and other important equipment.
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These workers can make adjustments to help safely control and manage operations.
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Storage Raw materials and finished product are stored throughout the facility, frequently in above ground storage tanks.
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Depending on the contents, a variety of safety features may be incorporated into the tanks,
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from floating roofs and suppression systems to prevent the buildup of flammable concentrations of vapors,
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to dyking and levee systems that help prevent chemicals from escaping the facility.
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Distribution.
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Shipments of materials typically flow in and out of chemical plants on a regular basis to support the manufacturing process.
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Special areas may be constructed within the plant, including docks and rail yards, to handle the safe loading and unloading of raw materials and finished products.
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These chemical products are distributed through a network of storage
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and distribution facilities that warehouse and repackage chemicals for a broad array of customers.
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From here, they are transported to farms and factories all across the country
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and the world to create the essential items people need and use every day.
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The potential risks associated with chemical manufacturing are well documented, which is why companies often go to great lengths
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and put a great deal of focus on preventing incidents from occurring in the first place.
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To help prevent incidents, operators rely on a deliberate and well -established method developed by chemical engineers called process safety,
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which is used to help manage the flow of energy and control hazards such as excess heat and pressure.
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Companies use process safety to examine the steps in the manufacturing process to identify opportunities to prevent incidents.
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As we have learned from past accidents, when an incident does occur it may be caused by procedural error or equipment failure among other things.
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These are the problems that process safety was created to prevent.
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It starts with carefully designing and constructing facilities.
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It also involves employing clear and comprehensive procedures to help keep operations within prescribed safety limits
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and it typically includes a regular and thorough maintenance schedule to maintain equipment integrity.
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A process safety event, or an incident, typically occurs when there is a loss of containment resulting in the release of materials from the system.
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To help prevent incidents like these, a facility on occasion will use a process called flaring to prevent overpressurizing equipment,
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which could lead to an uncontrolled release.
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Flaring is a carefully engineered safeguard and is done with the permission of state and federal regulatory authorities.
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Another important area of focus involves the use of operating procedures to manage the hazards associated with shutting down
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and restarting a chemical facility.
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Stopping and starting a plant can be a complicated and hazardous process
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that must be done carefully to ensure the safety of employees and minimize emissions.
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That is why it is important for workers to be familiar with operating manuals specific to the plant
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and to follow them closely.
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These manuals provide guidance on when to shut down, how to do so, and whether to fully or partially shut down.
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These procedures are required to be annually certified by plant management.
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Even when companies go to great lengths to prevent incidents, accidents can and do still happen.
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That's why it's
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so important for companies to have comprehensive emergency response plans in place to help get things under control quickly
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and minimize any impact on workers, neighbors, and the environment.
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When it comes to planning for a potential emergency, safety is no accident.
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It is normally the result of careful planning, continuous training, and regular drills.
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Industry programs, such as the American Chemistry Council's Responsible Care Program, provide useful guidance for companies when it comes to safety and emergency planning.
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Additionally, several federal regulations, such as the Environmental Protection Agency's Risk Management Program
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and the Occupational Safety and Health Administration's Process Safety Management Program oversee various aspects of chemical plant safety and emergency planning.
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It is not unusual for some of the larger facilities to have their own emergency personnel and equipment on site, and they are often the first to respond.
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Depending on the severity and impact of the incident, companies may use a response that incorporates the following actions.
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Notify local officials and the public via a reverse 911 system, electronic notification systems, social media,
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and media reports to share important health and safety information.
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Set up a joint information center to coordinate response efforts with local emergency responders, neighboring facilities, government agencies, and other stakeholders.
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• Work closely with local, state, and federal officials to perform additional air
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and water quality monitoring • Activate additional response
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and firefighting capabilities from neighboring facilities
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if needed via mutual aid agreements • Perform an emergency shutdown
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of equipment • Relocate chemicals • Relieve excess pressure by flaring gases
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or take other steps to prevent an incident from escalating As they work to bring a situation under control,
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facility operators usually collaborate closely with local emergency departments
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and officials throughout an incident to try to help keep their neighbors and the public well informed.
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In some cases, out of abundance of caution,
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nearby residents might be asked to shelter in place or evacuate until a significantly hazardous situation has been brought under control.
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Safety never rests.
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Companies are continuously looking for ways to improve their safety performance by tracking performance metrics and analyzing safety trends.
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The industry also applies learnings from past incidents, including the results and recommendations from investigations conducted by the Chemical Safety Board.
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Companies also work closely with their communities through local emergency planning committees and community advisory panels to discuss and address safety concerns.
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They also cooperate with policymakers and regulators at all levels to help safeguard the public and environment.
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One of the best ways to get a greater understanding of
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chemical operations in your community is to arrange a visit to a nearby facility for a tour.
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You can learn firsthand from the people who work there about what they make, their connection to the community and how they work together to address safety.
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이 레슨의 어휘와 말하기 포인트
이 영상에는 섀도잉할 문장 102개와 단어 1631개가 있습니다. 말하는 구간의 길이는 10:50입니다. 화자는 분당 약 150단어로, 일상 대화에 가까운 자연스러운 속도로 말합니다. 영어에서 가장 많이 쓰이는 3,000단어에 속하는 단어가 81%뿐이라 어휘가 어려운 편입니다.
이 영상의 핵심 어휘
영상에 나오는 익혀 둘 만한 단어 15개를 발음, 뜻과 함께 정리했습니다.
| 단어 | 발음 | 뜻 |
|---|---|---|
| chemistry 명사 | /ˈkɛm.ɪ.stɹi/ | 화학 |
| carefully 부사 | /ˈkɛɹf(ə)li/ | 주의하여, 조심스럽게 |
| pipe 명사 | /ˈpaɪp/ | 피리 |
| occur 동사 | /əˈkɜː/ | 일어나다, 발생하다 |
| procedure 명사 | /pɹəˈsiː.d͡ʒə/ | 절차, 수단 |
| monitor 명사 | /ˈmɑ.nɪ.tɚ/ | 모니터 |
| operator 명사 | /ˈɑpəˌɹeɪtɚ/ | 조작자, 오퍼레이터 |
| reactor 명사 | /ɹiˈæktɚ/ | 원자로 |
| molecule 명사 | /ˈmɑ.lɪ.kjul/ | 분자 |
| infrastructure 명사 | /ˈɪnfɹəˌstɹʌkt͡ʃə/ | 기반시설, 기간시설 |
| comprehensive 형용사 | /ˌkɑm.pɹəˈhɛn.sɪv/ | 포괄적인 |
| manual 명사 | /ˈmæn.j(u)əl/ | 안내서, 매뉴얼 |
| vessel 명사 | /ˈvɛsəl/ | 배, 선박 |
| excess 명사 | /ˈɛksɛs/ | 우수리 |
| minimize 동사 | /ˈmɪn.ɪˌmaɪz/ | 최소화(最小化)하다 |
주의할 발음
- “th” 소리: thorough /ˈθʌɹoʊ/, ethane /ˈɛθeɪn/, ethylene /ˈɛθɪˌliːn/
- “sh”와 “zh” 소리: unusual /ʌnˈjuːʒ(u)əl/, essentially /ɪˈsɛnʃəli/, occasion /əˈkeɪ̯ʒən/, concentration /ˌkɑn.sənˈtɹeɪ.ʃən/, shelter /ˈʃɛltə/
- 긴 단어 — 강세 위치에 주의: operator /ˈɑpəˌɹeɪtɚ/, infrastructure /ˈɪnfɹəˌstɹʌkt͡ʃə/, comprehensive /ˌkɑm.pɹəˈhɛn.sɪv/, incorporate /ɪŋˈkɔɹ.pɚ.eɪt/, complicated /ˈkɑm.plɪˌkeɪ.tɪd/
이 영상으로 연습하는 방법
- 먼저 말하지 않고 영상을 끝까지 듣고 모르는 단어를 적어 둡니다.
- 0.75배속으로 한 문장씩 섀도잉을 시작하고, 익숙해지면 보통 속도로 돌아갑니다.
- 자신의 목소리를 녹음해 원본과 비교하고, chemistry, carefully, pipe 같은 단어에 특히 주의합니다.
이 영상의 문법
화자가 가장 많이 쓰는 문형을 영상 속 실제 표현과 함께 정리했습니다.
| 문형 | 영상 속 표현 |
|---|---|
| 수동태 be + 과거분사 — 누가 하는지보다 무슨 일이 일어나는지에 초점 | are dedicated · are removed · is based |
| 현재완료 have/has + 과거분사 — 과거의 일이 지금도 관련이 있을 때 | has become · have learned · has been brought |
| 관계절 who / which + 절 — 사람이나 사물에 대한 추가 정보 | molecules, which is · documented, which is · people who work |
쉐도잉이란? 영어 실력을 빠르게 키우는 과학적 방법
쉐도잉(Shadowing)은 원래 전문 통역사 훈련을 위해 개발된 언어 학습 기법으로, 다언어 학자인 Dr. Alexander Arguelles에 의해 대중화된 방법입니다. 핵심 원리는 간단하지만 매우 강력합니다: 원어민의 영어를 들으면서 1~2초의 짧은 지연으로 즉시 소리 내어 따라 말하는 것——마치 '그림자(shadow)'처럼 화자를 따라가는 것입니다. 문법 공부나 수동적인 청취와 달리, 쉐도잉은 뇌와 입 근육이 동시에 실시간으로 영어를 처리하고 재현하도록 훈련합니다. 연구에 따르면 이 방법은 발음 정확도, 억양, 리듬, 연음, 청취력, 말하기 유창성을 크게 향상시킵니다. IELTS 스피킹 준비와 자연스러운 영어 소통을 원하는 분들에게 특히 효과적입니다.