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Part 13 Ballast handling 1. Scuppers plugged. 2. Open sea suction valve and report. 3. Sea suction valve closed. 4. Ballast pump stopped.
This is Scientific American's 60-Second Science, I'm Cynthia Graber. This will just take a minute. Even if you have a light hand with the salt shaker, you probably get lots of sodium in processed or restaurant meals. But sodium can contribute to high
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A CDC study of 4,000 adults found that more than 90 percent ate more sodium than recommended levels. Even if you have a light hand with the salt shaker, you probably get lots of sodium in processed or restaurant meals. But sodium can contribute to hi
There would soon be an explosion; the kettle would be burst open. It is in this way that boiler explosions are often caused. When there is too much steam in a boiler, and it cannot get out, it presses against the sides of the boiler, until at last th
18 Simple Tips to Avoid Back Pains Whether we are seated or standing up, the back has almost no rest. The postures we adopt to sit or while doing our daily activities are not very often adapted for our back. This constant 'torture' of our back result