Cargo in holds may be either packaged in crates, bales, etc., or unpackaged (bulk cargo). Access to holds is by a large hatch at the top. Ships have had holds for centuries; an alternative way to carry cargo is in standardized shipping containers, which may be loaded into appropriate holds or carried on deck.Holds in older ships were below the orlop deck, the lower part of the interior of a ship's hull, especially when considered as storage space, as for cargo.
Ethylene Glycol is a clear, sweet, slightly viscous liquid that boils at 198°C. Its most common use is as an automotive antifreeze and it serve as an excellent coolant in automotive radiators. It has a freezing point of 9 °F (−12.9 °C) and a boiling point of 387 °F (197.3 °C), which makes it an excellent antifreeze. Ethylene glycol is also used as an ingredient in hydraulic fluids, printing inks, and paint solvents.
The principal behind cleaning of CARGO hold...
The 1st segment to clean and neutralize coal residue :
Coal contains sulfur and many more others materials which is resulting corrosive effect on metal and painted surface. In chemical terms, its proper cleaning means not the only removal of its deposit to make surface clear and bright, But chemically neutralization effect also required. Coal remover having chemical neutralization and cleaning formula, This product can be mixed with Alkleen safety liquid in open drums / Tanks as follows:::