In a domestic fresh water system, the pump starters are controlled by () switches which operate when the pressure in the tank varies within predetermined limits as water is drawn off.
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The purpose of a custom is to cut down imports in order to protect domestic industry and workers from foreign competition.
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Please supply 200 tons of fresh water()my ship.
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Vessel()still to bunker 50 tones of fresh water.
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Allowance for fresh water for all freeboards other than timber 25mm. This wording is likely to appear in ().
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If a small electric motor is immersed in salt water it should be () (1) washed in fresh water (2) dried in an oven
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The motor for the fresh water pump ().
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()provides strength and strong space for fule,lubricating oil,fresh water,salt(ballast)water and potable water.
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Domestic water pump is started automatically by () which operates as the water level falls to a predetermined level.
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You should not divide the fresh water()three trips.
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The fresh air coming in through the inner air ports, is compressed by() to a higher pressure.
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Before marine sewage treatment plant works () should be filled with fresh water.
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In a vacuum boiling evaporator, the fresh water generated is pumped out by ().
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Prior to getting underway in fresh or brackish water,the Master must().
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Which statement concerning the collection of fresh water is FALSE?()
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() provides the head or pressure to supply the domestic water where required.
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________ in the fridge, the garlic will remain fresh and tender for a few months.
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In previous times, then fresh meat was in short ________, pigeons were kept by many households as a source of food.
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Scientists are working on the __________ of salt water into fresh water.
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__________most of the earth‘s surface is covered by water, fresh water is very rare and precious.
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One of the most important lakes in the United States is______, which is the largest fresh water lake in the world.
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The report says lack of water in the future may result in several problems. It may increase health problems. Lack of water often means drinking waters not safe. Mr. Engelman says there are problems all over the world because of diseases, such as cholera, which are carried in water. Lack of water may also result in more international conflict. Countries may have to compete for water in the future. Some countries now get sixty percent of their fresh water from other countries. This is true of Egypt, the Netherlands, Cambodia, Syria, Sudan, and Iraq. And the report says lack of water would affect the ability of developing to improve their economies. This is because new industries often need a large amount of water when they are beginning.
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If a train this tunnel,it would draw in fresh air behind it.
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There gion was once()with many fresh water lakes.
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