Hardened glass, however, is of a similar hardness to the silicate used in sandpaper and therefore can be scratched.
Yet the 40-year-old officer with a sandpaper rasp seems to be putting a brave face on what looks, in fact, like an accidental coup that was almost invited by the government it toppled.Captain Sanogo is the leader of the putsch that deposed Amadou Toumani Touré, a two-term president, on March 22nd.
With its know-how in adhesives, 3M still makes things like sandpaper in America: its grains stick to the paper longer than those of competitors.
The company quickly shifted its focus from mining to the manufacture of sandpaper and eventually prospered as the result of its creation and marketing of a wide range of products, including adhesive tape.
3M, as it became familiarly known, grew steadily, adding waterproof sandpaper, adhesive cellophane tape, masking tape, and desktop photocopiers, among other goods, to its product line.
Among the materials that can be used for tonal areas are sawdust, sand, carborundum, sandpaper, and ground walnut shells.
Wood rasps, or coarse files, and sandpaper can be used to give the surface a smooth finish, or, if preferred, it can be left with a faceted, chiseled appearance.
The leaves of the tropical American geiger tree, aloewood, or sebesten plum (C. sebestena) are used as a substitute for sandpaper.
Animal glue traditionally has been used in wood joining, book bindery, sandpaper manufacture, heavy gummed tapes, and similar applications.
