Bulk cargoes which are known to cause oxygen depletion (a lack of oxygen) include grain and grain products, oilseeds, copra, all forms of wood, vegetable fibres such as jute, hemp, flax, cotton and many others, fishmeal, guano, sulphidic ores and concentrates, charcoal and coal, dry ice, metal wastes, scrap metal and many more. Four hazards are connected with enclosed space: hazardous atmosphere; physical or configuration hazard; changing and hazardous conditions and; engulfment hazard.
