Mercury (element) used in teething powders for infants. The mercury-containing organohalide merbromin (sometimes sold as Mercurochrome) is still widely used but has been banned in some countries such as the U.S. Mercury and most of its compounds are extremely toxic and must be handled with care; in cases of spills involving mercury (such as from certain thermometers or fluorescent light bulbs), specific cleaning procedures are used to avoid exposure and contain the spill. Protocols call for physically merging smaller droplets on hard surfaces, combining them into a single larger pool for easier removal with an eyedropper, or for gently pushing the spill
Ship disposal examples of where environmental concerns have complicated the planned disposal of ships have been the Norwegian Cruise Lines vessels SS "Norway" and SS "Oceanic", as well as the French aircraft carrier "Clemenceau". Although in the past there were few effective controls on ship disposal, and the risk of being caught was therefore limited, national authorities as well as environmental organisations are now more vigilant. Ships are sometimes tracked when they are nearing the end of their lifespan. Companies caught disposing of ships illegally face hefty fines. Ship disposal A number of different methods exist for disposing of a ship after