Prática de Shadowing: How An Oil Tanker Works And Designed - Aprenda a falar inglês com vídeo
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an oil tanker is a ship designed for the bulk transport of oil
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or its products there are two basic types of oil tankers crude tankers
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and product tankers crude tankers move large quantities of unrefined crude oil from its point of extraction to refineries.
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Product tankers, generally much smaller, are designed to move refined products from refineries to points near consuming markets.
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The size classes range from inland or coastal tankers to the ultra -large crude carriers.
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In this video, we are focusing on an ultra -large crude tanker.
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Let's take a closer look at the main parts of this vessel.
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Pipeline systems are used to load and discharge oil, water, gas, and many other purposes.
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There is a helicopter landing pad.
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Cranes are used for transporting heavy equipment on and off the ship.
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Mast risers are connected to the cargo tanks below.
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They are designed to release pressure that builds up inside the cargo tanks during the loading or unloading of oil.
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The accommodation area is where the crew members stay, eat, and sleep.
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This is the control room.
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Emergency escape boats are used for the crew members to escape in life -threatening situations.
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Now let's take a look inside the hull.
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The oil cargo tanks store crude oil for transportation.
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Water ballast tanks provide stability for the vessel.
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In the aft of the vessel, there are heavy fuel oil and marine gas oil tanks that are used to power the ship.
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a sludge tank stores waste from the treatment system there is
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also a freshwater tank in between all these tanks of different
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types of liquid there are empty spaces called the cofferdum and down here is the engine room this is the pump room
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The crew working on this gigantic vessel can number around 30 people.
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Not all oil tankers have the exact same design.
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Many ships might have parts located in different spots, but in this animation, this is the basic design principle.
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A large crude oil tanker has multiple oil cargo tanks, primarily to avoid free surface effects.
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Sometimes, the sea can be rough, just like in this scenario.
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If an oil tanker has only one giant tank to carry oil cargo, it will face free surface effect.
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When the liquid inside a tank moves from side to side, it generates forces that impact the side of the hull.
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If the impact to one side of the hull is too strong, it can cause the ship to capsize.
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To solve this problem, oil tankers have multiple smaller tanks.
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When the liquid moves, the impact is divided into smaller sections, reducing the impact on one side of the hull.
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This provides more stability for the vessel.
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All oil tankers with a length above 120 meters are required to be double hulled.
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The double hull is designed to protect the oil cargo tanks from external damages.
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In a single -hulled ship, if the hull is shredded or cracked by any external impacts, it can result in oil leakage into the ocean,
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endangering marine life, and polluting the environment.
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The space between the hull and oil cargo tanks are used as water ballast tanks.
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When not carrying oil, the tank doesn't have enough weight to counter the buoyancy and will easily be moved by the waves.
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Without stability, it will be difficult for crew members to work and live. To be well stabilized,
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the bottom part of the vessel needs to be submerged under the water by filling the water ballast tanks. When oil is loaded,
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the ballast tank will discharge its water back to the sea to Thank you keep the ship from being too heavily loaded.
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All ships are required to have a water treatment system.
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It is important because when a ship pumps seawater into the ballast tanks from one location and carries it to another location,
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it might potentially bring unwanted microorganisms and bacteria.
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Before discharging water back to the sea in a new location, the water needs to be treated to kill all the harmful bacteria.
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Copherdom.
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It is a space which is used to separate different liquid tanks of different types.
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When two tanks of different liquid types share the same wall, and if there is a crack or leak, two types of liquid will end up spilled out and mixing with each other.
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That's why with the Copherdom separating two tanks apart, it creates a space for fixing the leak without contaminating the
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other tank let's take a look at how oil is loaded into the cargo tanks
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when loading oil weight distribution is very important to consider
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if weight distribution is uneven it can result in an unwanted accident for example
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if there is too much weight on one side the vessel
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will lose its balance to avoid this accident oil has to
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be loaded evenly each time there is a jungle of pipes here
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so let's simplify it
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and focus on the oil loading pipes only this pipeline is used to load
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and discharge oil in and out of the cargo tank this part is called a manifold
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and oil enters here a pump is used to push the
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oil through a bell mouth where the oil comes out into
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the tanks from the bottom to the top for example in
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this model there are 15 oil cargo tanks The first pipeline will load oil into these five tanks to ensure
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that the weight is evenly distributed.
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The second pipe will load oil into these five tanks, and the third pipe will load oil into the last five tanks.
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Three sections represented by three different colors for easy view in this animation.
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In reality, crude oil is black.
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With this design, it doesn't matter which pipeline is used to load
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or unload oil first the weight will still be distributed evenly.
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Oil cargo tanks are also equipped with heating coils to reduce viscosity for easy pumping.
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Oil tankers use a device called loading arms to load or discharge oil.
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During offshore oil loading the tanker receives oil directly from the subsea pipeline using a buoy and floating hoses.
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If an oil tanker is too large to get close to a dock, it will transfer the oil to a smaller tanker to carry it to the dock.
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O cenário: Conhecendo o funcionamento de um petroleiro
Imagine que você está assistindo a um vídeo explicativo sobre petroleiros, como o que vimos, e precisa descrever sua estrutura e funcionamento em inglês. Esse é um cenário real para quem quer aprender inglês com vídeos, especialmente se está interessado em temas técnicos ou marítimos. A conversa no vídeo usa termos específicos, mas também frases cotidianas, o que o torna perfeito para praticar a compreensão e a fala.
Trechos úteis e colocações para memorizar
- "Bulk transport of oil": Transporte em massa de petróleo. Essa colocação é essencial para falar de navios comerciais.
- "Free surface effect": Efeito de superfície livre. Um termo técnico importante para explicar a estabilidade de navios.
- "Double hull design": Projeto de casco duplo. Chave para discutir segurança ambiental nos petroleiros.
- "Water ballast tanks": Tanques de lastro d'água. Fundamental para descrever como os navios se estabilizam.
- "Emergency escape boats": Barcos de escape de emergência. Útil para falar de equipamentos de segurança.
Seu desafio de shadowing: Repita e imite!
Agora é hora de praticar o shadowspeak! Escolha um trecho curto do vídeo (como a explicação sobre os tanques de lastro) e reproduza-o imediatamente após ouvir. Preste atenção à entonação, à velocidade e à pronúncia de palavras como "cofferdam" ou "buoyancy". Repita 5 vezes seguidas, tentando igualar o som e o ritmo. O shadow speak ajuda a treinar a audição e a fala de forma natural, e é uma das melhores maneiras de aprender inglês com vídeos. Não se preocupe se errar no começo – a prática é a chave! Lembre-se: cada repetição faz você mais confortável com a língua. Vamos lá, você consegue!
O que é a Técnica de Shadowing?
Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.