  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.
Save. evergreenpics/iStock/Getty Images. The Sharpie Permanent Marker was developed at the Sanford Ink Company in 1964, and the chemist Francis Gilbert had a prominent role in its invention. The Sharpieâs claim to fame is that it is a permanent, pen-style marker that can write on virtually any surface.