Ships use heavy fuel oil which has a very high viscosity. When stored in fuel tanks, this oil tends to stick inside the tanks forming layers of semi-solid substance. Moreover, many impurities of the oil settle down and stick to the surface of the tanks. It is therefore imperative that the fuel oil t
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نویسنده: حمید موسویپور
تاريخ: جمعه
19 خرداد
1396 ساعت: 22:55