Should be within six months, do not save or use anti-corrosion coatingoil Preservation, disable more than one year shall be coated oil into storage bags or boxes.
半年内不用则应涂油保存或用防腐法保存,停用一年以上的应涂油装入袋或箱内储存。
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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 oilcoating and ingestion.