Need an excuse to indulge in a lobster dinner tonight? In the United States, June 15 is National Lobster Day, a time for savoring and paying tribute to one of Americaâs most beloved crustaceans. In honor of the holiday, check out these shell-shocking facts about lobster and its long, meaty history. â¢ When the first European settlers reached North America, lobsters were so plentiful that they would reportedly wash ashore in piles up to 2 feet high.
An abrasive is a material, often a mineral, that is used to shape or finish a workpiece through rubbing which leads to part of the workpiece being worn away. coated abrasive comprises an abrasive fixed to a backing material such as paper, cloth, rubber, resin, polyester or even metal, many of which are flexible. Sandpaper is a very common coated abrasive.
Sandpaper may be  stearated  where a dry lubricant is loaded to the abrasive. Stearated papers are useful in sanding coats of finish and paint as the stearate  soap  prevents clogging and increases the useful life of the sandpaper.The harder the grit material, the easier the sanding of surfaces like wood.andpaper backings may be glued to the paper or form a separate support structure for moving sandpaper, such as used in sanding belts and discs. Stronger paper or backing increases the ease of sanding wood.