Should be within six months, do not save or use anti-corrosion coating oil Preservation, disable more than one year shall be coated oil into storage bags or boxes.

These microscopic plants, commonly observed as a brown skin coating submerged stones in rivers and lakes and as phytoplankton in seas and oceans, typically contain oil droplets inside their cells.

Birds flying in the plume can become disoriented, and could suffer toxic effects. This risk, however, is minimal when compared to oil coating and ingestion.