Cargo's hygroscopic nature, which is its ability to absorb or release moisture from the surrounding air, significantly affects the calculation of required ventilation rates because it influences the amount of moisture that needs to be removed to prevent condensation and spoilage. Hygroscopic cargoes, such as grains, cotton, or wood products, absorb moisture when the surrounding air has a higher relative humidity than the cargo itself, and they release moisture when the air i....
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