precision grinding
91Modern Machine Shop — first modern digest size issue (September 2008) Type Business magazine Format Monthly paper and online magazine Owner Gardner Publications, Inc …
92Ometepe (archaeological site) — Ometepe Island is an important archaeological site, located in the Lake Nicaragua in the Republic of Nicaragua, administratively belongs to the Rivas Department. Its name derives from the Nahuatl words ome (two) and tepetl (mountain), meaning two …
93grind — 1 verb past tense and past participle ground, 1 INTO SMALL PIECES (T) a) also grind up (T) to break something such as corn or coffee beans into small pieces or powder, either in a machine or between two hard surfaces b) AmE to cut food,… …
94Jewel bearing — A jewel bearing is a bearing in which a metal spindle turns in a jewel lined pivot hole. The hole is typically shaped like a torus and is slightly larger than the shaft diameter. In operation, the shaft tilts slightly so as to contact the jewel… …
95Vise (tool) — A vise or vice (see under miscellaneous spelling differences) is a mechanical screw apparatus used for holding or clamping a work piece to allow work to be performed on it with tools such as saws, planes, drills, mills, screwdrivers, sandpaper,… …
96Investment casting — For investment casting in art, see lost wax casting. Investment casting, also called lost wax casting, is one of the oldest known metal forming techniques. From 5,000 years ago, when beeswax formed the pattern, to today’s high technology waxes,… …
97Dave Ellefson — David Ellefson Dave Ellefson offstage in Kiev, Ukraine, in March 2011 Background information Birth name David Warren Ellefson …
98Bead — For other uses, see Bead (disambiguation). Beads A bead is a small, decorative object that is usually pierced for threading or stringing. Beads range in size from under 1 millimetre (0.039 in) to over 1 centimetre (0.39 in) in diameter …
99Utility knife — Boxcutter and box cutter redirect here. For the electronic music artist, see Boxcutter (musician). For season four premiere of Breaking Bad, see Box Cutter (Breaking Bad). A utility knife is a knife used for general or utility purposes.[1] The… …
100Thermite — is a pyrotechnic composition of aluminium powder and a metal oxide which produces an aluminothermic reaction known as a thermite reaction. It is not explosive, but can create short bursts of extremely high temperatures focused on a very small… …
