  Although the terms ocean and sea are often used interchangeably, a sea is generally considered to be smaller than an ocean. One definition of ocean is: a great bod â¦ y of interconnecting salt water that covers 71 percent of the Earth's surface.
Sharpie brand permanent markers. A permanent marker or indelible marker is a type of marker pen that is used to create permanent writing on an object. In general, the ink comprises a main carrier solvent, a glyceride, a pyrrolidone, a resin and a colorant, making it waterproof.
The paint from these types of markers is not truly permanent, as it can be removed using high pressure cleaning or paint thinning solvents such as acetone. Dangers. Paint markers, and permanent markers generally, contain the toxic compounds xylene or toluene. Like spray paint, these markers give off volatile organic compounds, which can be dangerous when not used in a well ventilated area or with a particulate mask. Gloves can also be worn to avoid absorption through the skin. Solidified paint pens. Another type of paint marker is the solidified paint pen.